Fadogia agrestis,
does it really help with Increased testosterone and male vitality?
research showsNo human efficacy trial evaluating testosterone or male vitality was identified. The known positive signals come from hormone and sexual-behavior outcomes in male rats, so the human efficacy grade is ?.
ads claimAdvertisements combine claims of testosterone boosting, libido, strength, and vitality, but no human study has directly tested them.
Useful facts when choosing a product
- Positive efficacy signals come from male-rat studies, not human studies.
- The aqueous extract used in animal research has not been shown to match the source material or standardization of marketed capsules.
- No effective human dose or long-term human safety profile has been established.
Chamgap Semantic Classification Code
Candidate index · review held
UNK.fadogia-agrestis.UNK.testosterone-and-male-vitality.increase.UNKUnknown > Fadogia agrestis > Unknown > testosterone and male vitality > Increase claim > Unknown
An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.
What the research actually shows
Yakubu 2005 reported increased serum testosterone and sexual behavior after five days of an aqueous stem extract in male rats. Yakubu 2008 and 2009 reported abnormal signals in testicular-function markers and liver and kidney cell-membrane integrity after 28-day repeat dosing. No human efficacy trial was identified.
Why this is classified as ?
Because no human efficacy literature exists, the grade is ? and the score is null regardless of the direction of preclinical evidence.
Counterpoint. A testosterone signal exists in rodents, but it cannot be converted into a human effect estimate.
Rejudgment record. New verdict — No human testosterone or vitality efficacy trial; only animal evidence is available
Cross-check — AI research and Codex final gate
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Yakubu MT et al. 2005 | Male-rat animal study | Unknown | Serum testosterone and sexual behavior | Five-day dosing increased testosterone and selected sexual-behavior measures. | Preclinical | |
| Yakubu MT et al. 2008 | Twenty-eight-day repeat-dose male-rat study | 4 | Unknown | Biochemical markers of testicular function | Abnormal changes related to testicular function were reported at all tested doses. | Safety, preclinical |
| Yakubu MT et al. 2009 | Twenty-eight-day male-rat toxicity study | 4 | Unknown | Liver and kidney enzymes and lipid peroxidation | Possible compromise of hepatocyte and nephron cell-membrane integrity was reported. | Safety, preclinical |
Receipt — 3 References
All 3 cited sources were verified for existence at the original page (as of 2026-07-11).
Final verification and publication gate: Codex · Evidence date: 2026-07-11 · Corrections: none
Cite this verdict
[Chamgap] Fadogia agrestis x increased testosterone and male vitality — Evidence Grade ?. 3 cited sources checked. Source: https://chamgap.com/en/verdicts/mens/fadogia-agrestis-testosterone-vitality/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.