Original research: we read the daily dose used in published human trials for 12 longevity compounds and compared it with the dose per labeled serving of 39 products sold in the US. Only 4 of 12 align.
Eight mitochondrial supplements compared on cost per label serving, mechanism class and human trial evidence, using live US pricing read on September 6, 2026.
Seven longevity supplement stacks compared on cost per day, label transparency and US availability. Thorne ranks first overall; Eternal Elixir's Core NAD+ Stack wins on verifiable value at $1.22 a day.
Six pterostilbene supplements compared on cost per 100 mg of trans-pterostilbene, capsule strength against published human trial doses, and US shipping speed.