Free entry from The Complete Supplement Guide
Fadogia Agrestis
Graded Overhyped · Hormonal Support & Vitality · free to read
Fadogia agrestis is the most clearly problematic entry in this entire category.
The form that actually absorbs, the purity red flags and what not to stack it with are in the guide.
Get The Complete Supplement Guide →Last reviewed September 2026
The verdict
Is Fadogia Agrestis worth taking?
Fadogia agrestis is the most clearly problematic entry in this entire category. Its explosive popularity came almost entirely from a single podcast recommendation by a prominent neuroscientist, not from scientific validation. As of 2025, there are zero published human clinical trials. All testosterone evidence comes from rat studies by a single Nigerian research group. The same rat studies that showed testosterone increases also showed dose-dependent testicular toxicity, liver toxicity, and kidney toxicity. The human equivalent dose at which toxicity was observed in rats is uncomfortably close to doses sold in commercial supplements. Momentous, one of the most reputable supplement companies, discontinued their fadogia product specifically citing insufficient safety data.
What it does
What Fadogia Agrestis does in the body
Marketed for testosterone boosting and libido enhancement. Zero published human clinical trials support these applications. All testosterone evidence comes from rat studies showing dose-dependent LH stimulation and increased testicular weight, the same studies that also showed dose-dependent testicular, liver, and kidney toxicity at higher doses.
The evidence
What the research actually shows
Overhyped and with active safety concerns. There are no published peer-reviewed human RCTs as of 2025. A 2024 consensus review confirmed the evidence base is limited to small animal experiments and isolated case reports. The rat studies from which all testosterone marketing derives also demonstrated adverse effects on testicular function at higher doses, including inflammation and reduced sperm count. Liver and kidney toxicity in rats occurred at a human equivalent dose of approximately 607 mg daily, which is near the 600 mg doses commonly sold in commercial supplements. Momentous publicly cited insufficient safety data when discontinuing their product.
Food first
Getting Fadogia Agrestis from food
Fadogia agrestis is a West African shrub used traditionally in small amounts as an aphrodisiac in folk medicine, not as a dietary food. The foundational approach to natural testosterone optimization of sleep, resistance training, stress management, healthy body fat, adequate zinc, and vitamin D remains more evidence-supported than this compound at any dose.
What the guide adds
The part that is not on this page
Everything above is the assessment. What the guide adds for Fadogia Agrestis is the protocol:
- Optimal Form
- Bioavailability
- Purity Red Flags
- Stack With / Avoid
147 entries across nine categories, every one graded against the clinical literature the same way.
About the author
Who graded this
Daniel Edlund is a Le Cordon Bleu-trained private chef in Los Angeles, a certified personal trainer and strength coach, and an internationally licensed massage therapist. Thirty years of strength training and fifteen years cooking in private estate kitchens. He is the author of The Complete Supplement Guide, which grades 147 entries against the clinical literature, and of The EASY Way to Organic Cooking, first published in 2013.
This page is information, not medical advice. Supplements interact with prescription medication and with each other, and the right answer depends on your own bloodwork and history. Talk to your doctor before starting anything, particularly if you are pregnant, nursing, managing a health condition, or already taking medication.
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