Nature's Truth supplements, graded by the human studies

We graded 3 Nature's Truth products against the human studies of their ingredients, the dose on each label and what buyers say in their reviews. Each grade belongs to the product and the goal it was graded for: we do not grade how Nature's Truth makes, tests or sells its products, and we sell no supplements. Educational, not medical advice.

Products graded
3
Goals graded for
3
Top-ranked for their goal
Tier 2, Researched
Tier 3, Reviewed

The Nature's Truth products we graded

Members3 products, A to Z
Nature's Truth Biotin 10,000 mcg bottle
graded for Hair Growth · Biotin 10000 mcg per serving · reviews positive · a month
Nature's Truth Black Cumin Seed Oil 2000 mg bottle
graded for Healthy Aging · Black Cumin Seed Oil (Nigella sativa) (seed) (Contains Naturally-Occurring Thymoquinone (TQ)) 2000 mg per serving · reviews positive · a month
Nature's Truth Iron 65 mg bottle
graded for Circulation · Iron (as Ferrous Sulfate) 65 mg per serving · reviews positive · a month

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What Nature's Truth products were graded for

Each goal links to its page, with every product graded for it
GoalNature's Truth products
Circulation1
Hair Growth1
Healthy Aging1

Questions people ask

Members

Is Nature's Truth a good brand?

Answer for members.

Which Nature's Truth products have the strongest evidence?

Answer for members.

How does Reverse Age Lab grade Nature's Truth products?

Answer for members.

Can I take Nature's Truth supplements with my meds?

Answer for members.

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Educational, not medical advice. Grades come from human studies on PubMed, the dose on each label, store reviews we read ourselves and our biohacker panel, and are updated as new studies arrive. Nature's Truth is a trademark of its owner; Reverse Age Lab is not affiliated with it and sells no supplements. How we grade →