Earth Friend Herb Co. supplements, graded by the human studies
We graded 3 Earth Friend Herb Co. 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 Earth Friend Herb Co. makes, tests or sells its products, and we sell no supplements. Educational, not medical advice.
The Earth Friend Herb Co. products we graded
Members Only3 products, strongest evidence first
What Earth Friend Herb Co. products were graded for
Each goal links to its page, with every product graded for it
| Goal | Earth Friend Herb Co. products |
|---|---|
| Healthy Aging | 2 |
| Gallbladder and Fat Digestion | 1 |
Read more
Our articles on these goals
- Healthy Aging Tips: A Science-Backed Guide to Living Better for LongerArticle · Mar 17, 2026
- NAD Anti-Aging Supplements: Benefits, Evidence, and How to ChooseArticle · Jun 15, 2026
- Magnesium Benefits: Sleep, Stress and Healthy AgingArticle · Jun 16, 2026
Questions people ask
Members Only
Is Earth Friend Herb Co. a good brand?
We grade products, not brands, and we sell none. Of the 3 Earth Friend Herb Co. products we graded, 1 is Tier 2 (Researched) and 2 are Tier 3 (Reviewed). 3 are top-ranked for the goals they were graded for. Each product's grade, the studies behind it and its label are on its own page.
Which Earth Friend Herb Co. products have the strongest evidence?
By our grades: Oil of Oregano (Tier 2, graded for healthy aging); Milk Thistle (Tier 3, graded for gallbladder and fat digestion); St. John's Wort (Tier 3, graded for healthy aging). A product's grade is for the goal it was graded for, at the dose on its label.
How does Reverse Age Lab grade Earth Friend Herb Co. products?
Each product is graded for a goal on the human studies of its ingredients at the dose on its label, what buyers say in their reviews and what our panel of ten biohackers has said. The grade belongs to the product. We do not grade how Earth Friend Herb Co. makes, tests or sells its products, and we are not affiliated with Earth Friend Herb Co..
Can I take Earth Friend Herb Co. supplements with my meds?
Some supplements can interact with meds. Members have every product checked against the meds in their Health Profile before it joins their protocol.
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. Earth Friend Herb Co. is a trademark of its owner; Reverse Age Lab is not affiliated with it and sells no supplements. How we grade →
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