Key takeaways
- Tongkat ali has the most research.
- Boron is studied for free testosterone.
- B vitamins support blood vessels.
- Many herbs have early research.
- Check interactions with your doctor.
Men's performance supplements often draw on the same group of nutrients. Here's what each one is and how strong the evidence is.
Research at a glance
| Nutrient | Research area | Evidence |
|---|---|---|
| Tongkat ali | Total testosterone | Moderate (meta-analysis) |
| Boron | Free testosterone | Small studies |
| Folate | Blood vessel health | Small studies |
| Niacin | Cholesterol and blood flow | Small studies |
| Horny goat weed | Blood flow enzymes | Mostly lab and animal |
| Saw palmetto | Prostate comfort | Mixed |
| Stinging nettle | Prostate, SHBG | Early |
| Wild yam | Strength with training | Early |
The nutrients explained
1. Tongkat ali
A Southeast Asian root. A 2022 systematic review and meta-analysis found it improved total testosterone, mainly in men with low levels.
2. Boron
A trace mineral in nuts, avocados and legumes. A small 2011 study reported higher free testosterone after one week of daily boron.
3. Folate (vitamin B9)
Supports healthy homocysteine levels and blood vessel lining.
4. Niacin (vitamin B3)
Supports healthy cholesterol; a 2011 study explored it in men with high cholesterol and erection concerns.
5. Horny goat weed
Contains icariin, studied in the lab for effects on enzymes involved in blood flow.
6. Saw palmetto
Widely used for prostate and urinary comfort.
7. Stinging nettle
Nettle root has been studied for prostate comfort and its interaction with SHBG.
8. Wild yam
A tuber containing diosgenin, studied in athletes alongside resistance training.
These nutrients are discussed in the research references on the official ErecSurge website. The site doesn't publish a full Supplement Facts panel, so check your bottle's label for the exact formula.
Sources
- Leisegang K, et al. "Eurycoma longifolia (Jack) improves serum total testosterone in men: a systematic review and meta-analysis." Medicina, 2022.
- Naghii MR, et al. "Comparative effects of daily and weekly boron supplementation on plasma steroid hormones and proinflammatory cytokines." Journal of Trace Elements in Medicine and Biology, 2011.
- Ng CF, et al. "Effect of niacin on erectile function in men suffering erectile dysfunction and dyslipidemia." Journal of Sexual Medicine, 2011.
Common questions
Which herb has the most research for testosterone?
Tongkat ali, supported by a 2022 meta-analysis.
Does boron affect testosterone?
A small study reported higher free testosterone after a week of boron.
Are these nutrients safe?
Generally, but some affect blood pressure or hormones; ask your doctor.