Best Natural Testosterone Boosters 2026: 7 Supplements Compared

Last updated: September 26, 2026 · Originally published August 8, 2026 · Published by Eternal Elixir

Edited by Elaine Fletcher, Researcher

Disclosure: Eternal Elixir makes four of the seven products in this comparison, and our Tongkat Ali 200:1 2000mg is our pick. Every figure for the other brands comes from their own labels, supplement facts panels, certificates of analysis and product pages, checked in September 2026. No brand paid to be included. How we write and review content.

Most of the best natural testosterone boosters in 2026 are built on a short list of ingredients: tongkat ali, shilajit, fadogia agrestis, ginseng, ashwagandha and a few amino acids and minerals. Only some of those have human trials that measured testosterone, and the trials used specific extracts at specific doses that rarely match what is on a store shelf. This guide ranks seven US products on what their labels declare, what a serving costs, and how close each one comes to the doses studied in people.

Short answer: our pick is Eternal Elixir Tongkat Ali 200:1 2000mg. Tongkat ali is the botanical here with the most human testosterone trials, and our capsule gives 2,000 mg of 200:1 root extract per serving with nothing else in the formula, at the same price per gram of extract as the cheapest competitor. Nootropics Depot is the only product standardized to eurycomanone, Double Wood has the lowest cost per serving, and our shilajit and ginseng are the alternatives for readers who want a different route.

Quick Answer: The 7 Best Natural Testosterone Boosters Ranked

1. Eternal Elixir Tongkat Ali 200:1 2000mg: our pick. 2,000 mg of 200:1 extract per 3-capsule serving, single ingredient, $1.00 a serving.
2. Nootropics Depot Tongkat Ali 10% Eurycomanone: the only product here standardized to eurycomanone, the marker compound researchers measure. 100 mg per capsule, $0.67 a serving.
3. Double Wood Tongkat Ali Extract: lowest cost per serving at $0.50 for 1,000 mg of 200:1 extract, with a lot certificate on the page.
4. Eternal Elixir Shilajit 1000mg: a non-herbal option. 20:1 extract standardized to 20% fulvic acid, $1.50 a serving.
5. Eternal Elixir Korean Panax Ginseng 1600mg: the energy route rather than a hormonal one. Standardized to a minimum of 5% ginsenosides, $1.00 a serving.
6. Eternal Elixir Tongkat Ali + Fadogia 2010mg: lowest bottle price at $19.99, but most of each serving is fadogia, which has no human trials.
7. Double Wood Fadogia Agrestis: standalone fadogia at 300 to 600 mg a day, with identity testing and no human trials behind the ingredient.

Four numbers worth knowing before you buy:

• 100 to 400 mg a day: the range of standardized tongkat ali water extract used in the human trials below. Most store products list a ratio extract instead, so their milligrams are not the same unit.
• 105 men aged 50 to 70: the largest placebo-controlled tongkat ali trial we found, in which 200 mg a day of a standardized extract raised total testosterone against placebo over 12 weeks (Chinnappan 2021).
• 10% to 15%: how far daytime testosterone fell in 10 young men after one week of sleeping 5 hours a night (Leproult 2011). No supplement on this page has been tested against that.
• $0.33 to $1.50: the spread in cost per label serving across the seven products.

Best Natural Testosterone Boosters 2026 Compared (Prices as of Sep 2026)

Every row is one label serving as the brand defines it, priced as a one-time purchase of a single bottle on the brand’s own US store.

Two patterns stand out. The three tongkat ali products cost about the same per gram of extract but package it very differently: our bottle and Double Wood’s each hold 60,000 mg of 200:1 extract for about $30, split into 2,000 mg or 1,000 mg servings, while Nootropics Depot sells a much smaller dose of a standardized extract. And the cheapest servings in the table belong to fadogia, the ingredient with the least human evidence.

How We Ranked These Testosterone Boosters

We did not lab-test these products or run a trial. We read each current label, supplement facts panel, certificate of analysis and product page, priced one bottle on each brand’s own store in September 2026, and matched each main ingredient against the human studies listed later in this guide. Five questions set the order:

1. Has the main ingredient raised testosterone in placebo-controlled human trials? Tongkat ali has several. Shilajit has one. Fadogia has none.
2. Does the label tell you what you are getting? A declared ratio, a standardization marker and a single-ingredient formula all make a label easier to judge.
3. How close is the serving to the studied dose and extract?
4. What does a serving cost?
5. What testing does the brand show on the product page? A lot number, a named lab and a measured result tell you more than a badge.

Eternal Elixir makes the product in first place. We rank it first because it pairs the best-studied ingredient in this category with the largest extract serving here, in a single-ingredient formula, at the same cost per gram of extract as Double Wood. It does not win every column. Nootropics Depot is the only product standardized to eurycomanone, so its dose can be compared with research directly. Double Wood costs half as much per serving. Both link lot certificates of analysis on their product pages, and our product page does not. Each entry says where a product beats ours.

Extract Ratio vs Standardization: Why Milligrams Mislead

Tongkat ali labels come in two formats that measure different things. A ratio such as 200:1 describes the process: roughly 200 parts of root went into 1 part of finished extract. A standardization such as 10% eurycomanone describes the result: a tenth of the extract’s weight is eurycomanone, the quassinoid compound researchers use as a marker for tongkat ali. A ratio says how concentrated the process was. It says nothing about how much of the marker compound survived it.

So a 100 mg capsule standardized to 10% eurycomanone gives you a known 10 mg of eurycomanone. A 2,000 mg serving of 200:1 extract, ours included, gives you more extract by weight but an undeclared amount of eurycomanone. Neither label is dishonest. They answer different questions, and you should know which question your bottle answers before comparing it with another.

The human trials add a third wrinkle. Most used patented water extracts (Physta and similar) at 100 to 400 mg a day, characterized by their own supplier. No store product in this comparison uses the exact extract from those trials, so every “trial dose” comparison below is approximate. Fadogia labels have a different problem: there is no agreed marker compound at all, so identity testing (confirming the plant is what the label says) matters more than any potency figure.

1. Eternal Elixir Tongkat Ali 200:1 2000mg: Our Pick

Key specs: 2,000 mg of Eurycoma longifolia root extract 200:1 per 3-capsule serving, 90 capsules, 30 servings, $29.99, which is $1.00 a serving. Ingredients: tongkat ali, rice flour, cellulose capsule.

This is our product, and it sits first for three reasons. Tongkat ali is the ingredient in this category with the most placebo-controlled human testosterone data. Our serving is the largest tongkat extract dose on this list, twice Double Wood’s 1,000 mg. And the formula is one ingredient, with no tribulus or pepper extract added, so you know exactly what you are judging.

On price, the comparison with Double Wood is closer than the per-serving figures suggest. Both bottles hold 60,000 mg of 200:1 extract for about $30. Ours packs it into 30 servings of 2,000 mg, theirs into 60 servings of 1,000 mg. Per gram of extract the cost is the same, about $0.50. Buying two, three or five bottles takes 10%, 15% or 20% off, and orders over $100 ship free in the US.

The product page is plain about the limits. It says this exact 200:1 product has not been clinically tested, that human trials used specific standardized extracts, and that tongkat ali may affect hormones and interact with health conditions or medicines.

Where it does less: the label gives a ratio, not a eurycomanone percentage, so you cannot calculate the marker dose the way you can with Nootropics Depot. By weight our serving is 5 to 20 times the 100 to 400 mg used in the trials, but those trials used standardized water extracts, so a bigger number of a different extract is not a promise of a bigger effect. Our product page does not link a lot certificate of analysis, while Double Wood’s and Nootropics Depot’s do. And three capsules is more than either competitor asks.

Pros:

• Largest tongkat ali extract serving in this comparison, 2,000 mg
• Single ingredient, with the ratio and serving amount declared
• Same cost per gram of extract as the cheapest competitor
• Product page states that this exact product has not been clinically tested

Cons:

• No eurycomanone standardization declared
• Three capsules per serving
• No lot certificate linked on the product page

Suits: men who want tongkat ali on its own at a generous serving from a single-ingredient label. Doesn’t suit: buyers who want a dose in eurycomanone units (Nootropics Depot) or the lowest cost per serving (Double Wood). For the wider tongkat category, see our tongkat ali supplement rankings.

Add Tongkat Ali 200:1 to cart · $29.99

2. Nootropics Depot Tongkat Ali 10% Eurycomanone: Only Standardized Option

Key specs: 100 mg of tongkat ali root extract standardized to 10% eurycomanone (10 mg) per capsule or tablet, one a day. $39.99 for 60 capsules, which is $0.67 a serving. Free US shipping over $50.

This is the product to buy if you want your dose in the same units as the research. The label states a eurycomanone percentage, the product page links batch certificates of analysis and describes HPLC testing, and the one-a-day dose is simple. It is the only product in this comparison where you can say exactly how much of the marker compound you are taking.

The 100 mg figure looks small next to 1,000 or 2,000 mg ratio extracts, which is the main reason people pass it over. It is a different unit, not a weaker product. The page showed 51 reviews when we checked. It is a single-ingredient product with no combination format.

Pros:

• Standardized to 10% eurycomanone, so the marker dose is known
• Batch certificates linked on the product page
• One capsule a day

Cons:

• Costs more per serving than Double Wood
• The low milligram figure is easy to misread
• Free shipping needs a $50 order

Suits: readers who want to match a studied marker dose. Doesn’t suit: buyers who want the most extract per dollar.

3. Double Wood Tongkat Ali Extract: Lowest Cost per Serving

Key specs: 1,000 mg of tongkat ali root extract 200:1 plus 20 mg of Tribulus terrestris fruit extract per 2-capsule serving, 60 servings, $29.95, which is $0.50 a serving. Other ingredients: hypromellose capsule, rice flour, vegetable stearate. Free US shipping over $30.

Double Wood has the lowest cost per serving of the three tongkat products. Its product page also shows the most testing detail: lot 2524500, manufactured 11/2025 and tested by Brand Nutraceuticals, measured 1,000 mg of tongkat extract against a 900 to 1,250 mg range, 20 mg of tribulus against 18 to 25 mg, an identity match by NIR, and heavy metal and microbial results, with the certificate linked as a PDF.

Two things to know. The extract is a 200:1 ratio with no eurycomanone figure, the same limitation as ours. And the formula adds 20 mg of tribulus, a second herb you may or may not want in the mix. The label says to take two capsules a day with food, and the page caps intake at 2,000 mg of extract a day. The page showed about 4.7 out of 5 from 138 reviews when we checked.

Pros:

• $0.50 a serving, the lowest of the tongkat products
• Lot certificate with measured results on the page
• Free US shipping from $30

Cons:

• No eurycomanone standardization
• Half our extract per serving
• Adds a small amount of tribulus

Suits: a first bottle of tongkat ali at the lowest daily cost, with paperwork to check. Doesn’t suit: anyone who wants a single-ingredient formula. Our Double Wood Supplements review covers the rest of the brand’s range.

4. Eternal Elixir Shilajit 1000mg: The Non-Herbal Option

Key specs: 1,000 mg of 20:1 shilajit extract standardized to 20% fulvic acid per 2-capsule serving, 60 capsules, 30 servings, $44.99, which is $1.50 a serving. Other ingredients: hypromellose capsule, vegetable magnesium stearate, silica.

Shilajit is a mineral-rich resin rather than a plant extract, and it has one placebo-controlled testosterone trial behind it. In that 90-day study, healthy men aged 45 to 55 took 250 mg of a purified shilajit twice a day, and total testosterone, free testosterone and DHEA-S rose against placebo (Pandit 2016). The published abstract does not say how many men took part.

Our serving is 1,000 mg a day, twice the 500 mg daily dose in that trial by weight. It is not the same purified preparation, so the trial does not prove our product will do the same, and our product page says so. What our label does give you is two separate numbers, the 20:1 ratio and the 20% fulvic acid standard, which is more than many shilajit products declare.

Pros:

• Extract ratio and fulvic acid standard both on the label
• A different route from the tongkat and fadogia products
• One human testosterone trial on the ingredient

Cons:

• $1.50 a serving, the highest in this comparison
• The trial used a specific purified preparation, not this one
• 30 servings per bottle

Suits: men who want an alternative to tongkat ali with a declared composition marker. Doesn’t suit: buyers on a tight budget. Our guides to shilajit benefits for men and the best shilajit supplements go further.

5. Eternal Elixir Korean Panax Ginseng 1600mg: The Energy Route

Key specs: 1,600 mg of Korean red Panax ginseng root extract standardized to a minimum of 5% ginsenosides per 2-capsule serving, 90 capsules, 45 servings, $44.99, which is $1.00 a serving. Ingredients: Korean red Panax ginseng, rice flour, cellulose capsule.

Ginseng is not a testosterone ingredient, and we won’t pretend it is. It is on this list because many men searching for a testosterone booster are really looking for more energy. A 2023 meta-analysis of 19 randomized trials found no significant reduction in fatigue across all studies pooled, but a small reduction in general, non-disease-specific fatigue, with no increase in side effects (Li 2023). That is modest, and it is about fatigue, not hormones.

What our label adds is a declared standard: a minimum of 5% ginsenosides, the saponins researchers use to characterize ginseng. That makes it easier to compare with other ginseng products than an unstandardized root powder.

Pros:

• Minimum 5% ginsenoside standard declared
• 45 servings per bottle
• Aimed at energy, which is often the real goal

Cons:

• Not studied as a testosterone booster
• Fatigue effects in trials were small
• Can feel stimulating if taken late in the day

Suits: men whose real complaint is low energy rather than a hormone number. Doesn’t suit: anyone specifically trying to support testosterone. See our ginseng evidence guide, ginseng benefits for men and the best ginseng supplements comparison.

6. Eternal Elixir Tongkat Ali + Fadogia 2010mg: Lowest Bottle Price

Key specs: 1,500 mg of fadogia agrestis 10:1 extract, 500 mg of tongkat ali 200:1 extract and 10 mg of BioPerine black pepper extract per 3-capsule serving, 90 capsules, 30 servings, $19.99, which is $0.67 a serving. Ingredients also include rice flour and a cellulose capsule.

This is the cheapest bottle on the list and the simplest way to take tongkat ali and fadogia together, a pairing many men try. We rank it sixth, below our other products, because three-quarters of each serving is fadogia, the ingredient with the weakest evidence here.

Our product page is direct about that. It states that no reliable human clinical trials establish benefits for fadogia and that a rat study reported adverse changes in testicular function, which it calls a safety signal, not proof of the same effect in people. The 1,500 mg of fadogia in our serving is also well above the 300 to 600 mg a day on Double Wood’s fadogia label. The tongkat ali portion, 500 mg, is a quarter of our single-ingredient serving.

There is also no product-specific study showing that the 10 mg of BioPerine improves absorption of either herb in this blend, and the product page says that too.

Pros:

• $19.99 a bottle, $0.67 a serving
• Both ingredients and their ratios declared
• One bottle instead of two

Cons:

• Most of the serving is fadogia, which has no human trials
• A rat study reported adverse testicular changes with fadogia
• Less tongkat ali per serving than our single-ingredient product

Suits: men who have already decided to try fadogia with tongkat ali and understand the evidence gap. Doesn’t suit: anyone who wants the best-supported option, which is tongkat ali on its own.

7. Double Wood Fadogia Agrestis: Standalone Fadogia

Key specs: 600 mg of fadogia agrestis 10:1 stem extract per 2-capsule serving, 90 servings, $29.95. The label says to take 1 capsule a day and allows 2 after a week, so a bottle lasts 90 to 180 days. At the full 2-capsule serving that is $0.33 a day. The label warns against use in pregnancy, while nursing or under 18.

If you want fadogia on its own, this bottle gives you the most control over the dose, in 300 mg steps. The product page describes identity testing and links the current batch certificate, which matters more for an herb with no agreed potency marker. The page showed about 4.7 out of 5 from 61 reviews when we checked.

The ingredient is the problem, not the bottle. Fadogia has no published human trials on testosterone. The interest comes from rat studies: one reported higher testosterone in male rats over five days (Yakubu 2005), and another, over 28 days, reported adverse changes in testicular function indices at every dose tested (Yakubu 2008). Rat results do not transfer reliably to people in either direction.

Pros:

• Lowest cost per serving on the list
• 300 mg capsules for small dose steps
• Batch certificate linked on the page

Cons:

• No human trials behind the ingredient
• Animal data include a safety signal
• Two capsules for the full serving

Suits: men set on trying fadogia who want to start low. Doesn’t suit: anyone who wants evidence in people first. Our fadogia agrestis dosage guide and fadogia supplement comparison cover it in more detail.

What Human Trials on Testosterone Supplements Have and Have Not Shown

The table lists the studies that matter for a buying decision, with the evidence level for each. Where a study used a different extract or dose from the products above, the table says so.

Three points follow. First, the best tongkat ali data come from men who started with low or borderline testosterone, or from stressed adults, and the effects were measured in blood or saliva rather than as outcomes you would notice. Men whose levels are already normal should expect less. Second, every positive tongkat trial used a characterized extract at 100 to 400 mg, not a generic ratio extract. Third, some popular booster ingredients have weak or negative human data: D-aspartic acid lowered testosterone at 6 g a day in trained men, and fadogia has no human data at all.

How Our Doses Compare With the Trial Doses

• Tongkat Ali 200:1 2000mg: by weight, 5 to 20 times the 100 to 400 mg a day used in the trials. The trials used characterized water extracts, and our label gives a ratio without a eurycomanone figure, so the two numbers are not the same unit. We can’t tell you our serving matches a trial dose, only that it is a large serving of the same root.
• Shilajit 1000mg: twice the 500 mg a day of purified shilajit in the 90-day trial, by weight. Different preparation, so the trial is context, not proof.
• Korean Panax Ginseng 1600mg: the fatigue meta-analysis pooled many ginseng products and doses, so there is no single trial dose to match.
• Tongkat Ali + Fadogia 2010mg: 500 mg of tongkat ratio extract, above the trial range by weight but not standardized. The 1,500 mg of fadogia has no human dose to compare with, and it is above the 300 to 600 mg on Double Wood’s fadogia label.

The plain position: none of our products, and none of the competitor products here, has been tested in a human trial by name. Our pages say that, and so does this one.

What About TestoPrime and Other Multi-Ingredient Boosters?

Search results for testosterone boosters are full of multi-ingredient blends. TestoPrime is one of the most visible. Its store lists $64.99 for a one-month supply of 120 capsules, taken as 4 capsules each morning, which works out to about $2.17 a day. The product listing names D-aspartic acid, Panax ginseng, KSM-66 ashwagandha, fenugreek extract, zinc and vitamin D among its ingredients, and the brand offers a 60-day money-back guarantee.

We did not rank it because we could not find the amount of each ingredient in the product listing or page text we read in September 2026, so we could not compare its doses with the trials above. That matters for D-aspartic acid in particular, since the trained-men trial found no effect at 3 g a day and lower testosterone at 6 g. If you are weighing any blend, look for a supplement facts panel that gives every ingredient in milligrams, then check those amounts against the studies. A blend can only be as good as its best-dosed ingredient.

Ashwagandha deserves a separate note. It has more human hormone data than most blend ingredients, including the 8-week trial above in which salivary testosterone rose 14.7% more than on placebo. We don’t sell ashwagandha, and we mention it because it is part of an honest answer to “what works.”

Lifestyle Factors With Stronger Evidence Than Any Capsule

Before any supplement, look at sleep. In a controlled laboratory study, 10 healthy young men spent a week sleeping 5 hours a night, and their daytime testosterone fell by 10% to 15% (Leproult and Van Cauter, JAMA, 2011). The authors noted that normal aging lowers testosterone by 1% to 2% a year, so one short week of restricted sleep did more than several years of aging. No supplement on this page has been tested against a change that size.

If you think your levels are low, a blood test ordered by your doctor is a better first step than any bottle, because it tells you whether there is a problem to solve and what might be causing it.

Safety: Who Should Skip These Supplements

• Do not take testosterone-support supplements if you are under 18, pregnant or breastfeeding. Double Wood’s fadogia label carries the same warning.
• Tongkat ali and shilajit can shift hormone levels, so talk to your doctor before taking them if you have a hormone-sensitive condition, take prescription medication, or are already on prescribed testosterone.
• Fadogia has no human safety data, and a 28-day rat study reported adverse changes in testicular function. If you choose it anyway, start at the lowest label dose and stop if anything feels wrong.
• Stop and speak to a doctor if you notice any side effect after starting a new supplement.

Which Testosterone Booster Suits You

• You want the best-studied ingredient in a generous single-ingredient serving: Eternal Elixir Tongkat Ali 200:1 2000mg, our pick.
• You want your dose in the units the research used: Nootropics Depot Tongkat Ali 10% Eurycomanone.
• You want tongkat ali at the lowest cost per serving: Double Wood Tongkat Ali Extract, at $0.50.
• You want a non-herbal alternative: Eternal Elixir Shilajit 1000mg.
• Your real goal is energy: Eternal Elixir Korean Panax Ginseng 1600mg.
• You have already decided on fadogia: our Tongkat Ali + Fadogia combination for one bottle, or Double Wood’s standalone fadogia for a lower, adjustable dose.

Men over 40 building a wider routine can compare options in our best supplements for men over 40 guide and our roundup of supplements for energy. Readers interested in healthy aging more broadly can start with our NMN supplement comparison, where our NMN 500mg gives 500 mg per capsule across 90 capsules.

Frequently Asked Questions About Natural Testosterone Boosters

What is the best natural testosterone booster in 2026?

Our pick is Eternal Elixir Tongkat Ali 200:1 2000mg: 2,000 mg of tongkat ali root extract per serving in a single-ingredient capsule, at $1.00 a serving. Tongkat ali has the most placebo-controlled testosterone data of the ingredients here. For a dose standardized to eurycomanone, Nootropics Depot is the only option in this comparison. For the lowest cost per serving on tongkat ali, Double Wood charges $0.50.

Add Tongkat Ali 200:1 to cart · $29.99

What is the strongest natural testosterone booster?

No supplement has been shown to raise testosterone as much as prescribed testosterone. Among the ingredients here, tongkat ali has the most consistent human data: in the largest placebo-controlled trial we found, 200 mg a day of a standardized extract raised total testosterone over 12 weeks in 105 men aged 50 to 70 with low starting levels. Shilajit and ashwagandha each have smaller supportive trials. D-aspartic acid and fadogia do not have good human evidence.

What is the #1 killer of testosterone?

There is no single cause, but short sleep is one of the best documented. In a controlled study, 10 healthy young men who slept 5 hours a night for a week saw daytime testosterone fall 10% to 15%. The authors compared that with normal aging, which lowers testosterone by 1% to 2% a year. If you suspect low testosterone, ask your doctor for a blood test before buying anything.

What does Joe Rogan use for TRT?

We can’t verify any individual’s prescriptions or supplement routine from a primary source, so we won’t repeat claims about it. Testosterone replacement is a prescription therapy managed by a doctor, and none of the supplements on this page is a substitute for it or should be combined with it without medical advice.

Does not ejaculating for 7 days increase testosterone?

One small 2003 study measured this. In 28 men, serum testosterone changed little from day 2 to day 5 of abstinence, then peaked on day 7 at 145.7% of baseline, with no regular pattern after that (Jiang et al., 2003). It is a single, small study that has not been widely repeated, and a short spike does not mean a lasting change.

Is tongkat ali or fadogia agrestis more effective?

Tongkat ali has several human trials. Fadogia has none, and its evidence comes from rat studies, one of which reported adverse testicular changes. If you choose one, tongkat ali is the better-supported choice.

What dose of tongkat ali should I take?

Follow the serving on the bottle you buy. The trials used 100 to 400 mg a day of standardized water extracts, while store products list anything from 100 mg of a 10% eurycomanone extract to 2,000 mg of a 200:1 extract. Those are different units, so don’t transfer a number from one brand to another, and talk to your doctor if you take prescription medication.

How long before a natural testosterone booster works?

The human tongkat ali studies ran from 4 to 12 weeks, and the largest trial saw total testosterone rise from week 4 on 200 mg a day. Judge any product over at least a month or two, and a blood test before and after is the only way to know what changed.

Do I need to cycle these supplements?

Some brands suggest cycling tongkat ali, for example several weeks on and a break off, but this is a convention rather than a finding from controlled research. Cycling does change the real monthly cost, so factor it into the per-serving figures above.

How much does a testosterone booster cost in the US?

Across the seven products here, a label serving costs $0.33 to $1.50, and bottles run from $19.99 to $44.99. Multi-ingredient blends cost more: TestoPrime works out to about $2.17 a day. Cost per serving matters more than bottle price, because servings range from one to four capsules.

Are these products third-party tested?

Double Wood and Nootropics Depot link batch certificates of analysis on their product pages. Our product pages declare every ingredient and amount and state the evidence level for each active, but they do not link a batch certificate, so we don’t claim one here.

Verdict: Which Natural Testosterone Booster Should You Buy?

Our pick is Eternal Elixir Tongkat Ali 200:1 2000mg. It gives the largest serving of the best-studied ingredient in this category, in a single-ingredient capsule, at the same price per gram of extract as the cheapest competitor. Nootropics Depot is the choice if you want your dose in eurycomanone units, Double Wood if you want the lowest cost per serving, our Shilajit 1000mg for a different route, and our Korean Panax Ginseng if energy is the real goal.

Keep expectations in proportion. The positive tongkat ali trials were run in men with low starting levels or high stress, using characterized extracts, and the changes were measured in blood and saliva. Sleep, a doctor’s blood test and a realistic time frame will tell you more than any label.

More Men’s Health and Longevity Guides

• Best tongkat ali supplements
• Best shilajit supplements
• Best TUDCA supplements
• Best berberine supplements
• Spermidine benefits and dosage
• All supplement guides
• The Eternal Elixir blog
• Shop the Eternal Elixir range or return to the Eternal Elixir home page

Sources

1. Chinnappan SM, et al. Effect of Eurycoma longifolia standardised aqueous root extract (Physta) on testosterone levels and quality of life in ageing male subjects. Food Nutr Res. 2021. PubMed 34262417
2. Talbott SM, et al. Effect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjects. J Int Soc Sports Nutr. 2013;10:28. PubMed 23705671
3. Tambi MI, et al. Standardised water-soluble extract of Eurycoma longifolia, Tongkat ali, as testosterone booster. Andrologia. 2012. PubMed 21671978
4. Henkel RR, et al. Tongkat Ali as a potential herbal supplement for physically active male and female seniors: a pilot study. Phytother Res. 2014. PubMed 23754792
5. Pandit S, et al. Clinical evaluation of purified Shilajit on testosterone levels in healthy volunteers. Andrologia. 2016. PubMed 26395129
6. Lopresti AL, et al. A Randomized, Double-Blind, Placebo-Controlled, Crossover Study Examining the Hormonal and Vitality Effects of Ashwagandha in Aging, Overweight Males. Am J Mens Health. 2019. PubMed 30854916
7. Melville GW, et al. Three and six grams supplementation of d-aspartic acid in resistance trained men. J Int Soc Sports Nutr. 2015. PubMed 25844073
8. Li S, et al. Ginseng and Ginseng Herbal Formulas for Symptomatic Management of Fatigue: A Systematic Review and Meta-Analysis. J Integr Complement Med. 2023. PubMed 36730693
9. Yakubu MT, et al. Aphrodisiac potentials of the aqueous extract of Fadogia agrestis stem in male albino rats. Asian J Androl. 2005. PubMed 16281088
10. Yakubu MT, et al. Effects of oral administration of aqueous extract of Fadogia agrestis stem on some testicular function indices of male rats. J Ethnopharmacol. 2008. PubMed 18023305
11. Leproult R, Van Cauter E. Effect of 1 week of sleep restriction on testosterone levels in young healthy men. JAMA. 2011;305(21):2173-2174. PubMed 21632481
12. Jiang M, et al. A research on the relationship between ejaculation and serum testosterone level in men. J Zhejiang Univ Sci. 2003. PubMed 12659241
13. Product pages, checked September 2026: Eternal Elixir Tongkat Ali 200:1, Eternal Elixir Tongkat Ali + Fadogia, Nootropics Depot Tongkat Ali 10%, Double Wood Tongkat Ali, Double Wood Fadogia, TestoPrime

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.