Maca root as a testosterone booster: what the evidence says

What did @lylhealth actually say?

Honestly? It's hard to say. The transcript from this video is largely incoherent, a string of disconnected phrases about studying, "the mob is dead," and temples. There are no clear medical claims extracted from the spoken content. What we can work with is the framing: the video is tagged with #testbplus and #maca and promotes a product called "Testosterona Booster Plus" via TikTok Shop. That framing is doing the heavy lifting here, and it's worth examining on its own terms.

The implicit claim, baked into the product name and hashtags, is that a supplement containing maca can boost testosterone. That's the promise being sold to the 76,000-plus people who watched this. The creator doesn't need to say it out loud when the product name says it for them.

Does the science back this up?

Not in any meaningful way. The evidence for maca as a testosterone booster is thin and frequently misrepresented. Most people citing maca for testosterone are citing animal studies or small, poorly controlled human trials. The honest summary: maca may improve libido perception without actually changing hormone levels.

A randomized controlled trial by Gonzales et al. (2002, Andrologia) found that men taking maca reported improved sexual desire compared to placebo, but serum testosterone and estradiol levels did not change. That finding has been replicated. A systematic review by Shin et al. (2010, BMC Complementary and Alternative Medicine) analyzed four randomized trials and concluded there was "limited evidence" for maca improving sexual function, and no reliable evidence it alters testosterone. The libido effect is real for some people. The testosterone effect is not demonstrated.

What did they get wrong (or right)?

The product name itself is the problem. Calling something a "testosterone booster" when the active ingredient, maca, does not reliably increase testosterone is misleading marketing. The FDA does not regulate supplement health claims with the same rigor applied to pharmaceuticals, which is exactly how products like this reach TikTok Shop with names implying hormonal effects they haven't demonstrated.

To be fair, maca isn't dangerous for most healthy adults. It's a Peruvian root vegetable with a long history of use. Some people do report feeling better on it. But "feeling better" and "measurably higher testosterone" are different things, and blurring that line to sell a product is a problem. Anyone with actual hypogonadism, meaning clinically low testosterone confirmed by bloodwork, is not going to fix that with a supplement. They need an actual clinical evaluation.

• Maca does not reliably raise serum testosterone in humans (Gonzales et al., 2002)
• Some libido benefit is plausible but inconsistently demonstrated
• "Testosterone booster" labeling is not regulated and frequently misleading

What should you actually know?

If you're concerned about low testosterone, the supplement aisle is not the right starting point. Symptoms of low T, fatigue, reduced libido, muscle loss, mood changes, overlap with a dozen other conditions including poor sleep, high stress, thyroid dysfunction, and low vitamin D. A supplement that makes you feel like something is happening is not a diagnosis.

Actual testosterone replacement therapy is a prescription treatment requiring blood testing, a confirmed diagnosis of hypogonadism, and medical supervision. It involves real medications, real monitoring, and real risks if misused. Over-the-counter "boosters" sit in a completely different regulatory category and cannot legally claim to treat any medical condition. If the product you're watching on TikTok is available without a prescription and promises hormonal effects, be skeptical. The FTC has taken action against supplement companies for exactly this kind of implied therapeutic claim.

Talk to a clinician. Get your levels tested. That's the only way to know what's actually going on.

Bottom line on this video

The spoken content is too incoherent to fact-check directly. What's being promoted is a product whose name implies testosterone effects that the evidence does not support. Maca has some biological activity, but calling it a testosterone booster is a stretch that the clinical literature doesn't justify. Seventy-six thousand views is a lot of people potentially buying something based on a promise the science hasn't kept.