Does tribulus actually raise testosterone?

Evidence in healthy men is weak. Most studies show little or no rise in testosterone, though some users report better libido.

How should I take it?

Follow the label, typically one capsule daily with a meal. Do not exceed the stated dose, and check with a doctor if you take medication.

Will it build muscle on its own?

No. Muscle growth comes from training, protein and calories. Treat tribulus as optional support, not a substitute for those.

How does it compare with stacked testosterone boosters?

It is a single-ingredient product. Rivals often add zinc, magnesium, vitamin D or fenugreek, which have somewhat better evidence behind them.

How long until I notice anything?

Give it several weeks. Many users report nothing at all, and any libido effect is individual.

Anyone on hormone-related medication, with prostate concerns, or pregnant or breastfeeding should avoid it without medical advice.

What do buyers say about the Optimum Nutrition Tribulus Caps 625 mg 100 pcs?

Rated 4.7 out of 5 from 11 ratings.

Where can I buy the Optimum Nutrition Tribulus Caps 625 mg 100 pcs?

4 stores we checked sell it, including Walmart, Herbspro, Amazon, Get Yok'd Nutrition.

Optimum Nutrition Tribulus Caps 625 mg 100 pcs

Q: Where is the Optimum Nutrition Tribulus Caps 625 mg 100 pcs cheapest?

At Amazon, for $15.99, as of our latest check.

Best price now

$15.99at AmazonChecked 1 h ago

Compared across 4 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

Visit Amazon

What reviewers say

4.7 / 511 ratings

Reception is mixed. Some users report better libido and drive, while others say they noticed nothing after finishing a bottle. Reviewers often note that tribulus is not a proven testosterone booster and treat it as optional.

What people mention

EffectivenessMixedSome users report better libido and drive; others notice nothing after a full bottle.
Testosterone claimsCriticisedReviewers question whether tribulus actually raises testosterone in healthy men.
FormulaMixedBuyers like the single ingredient but miss zinc, magnesium or other supporting nutrients.
ValueMixedThe 100-capsule bottle lasts a while, but some users feel the results do not justify the spend.

About the Optimum Nutrition Tribulus Caps 625 mg 100 pcs

Optimum Nutrition's Tribulus 625 Caps are made with high-quality Tribulus Terrestris. Each capsule contains a 625 mg blend of Tribula Terrestris powder and extract. Tribulus 625 Caps also contain various sterols, flavonoids and other naturally occurring plant compounds. The Bigger Picture of Tribulus: Our Tribulus 625 Caps are made with the finest standardized extracts and powders available, so they provide the unique compounds that have made Tribulus Terrestris widely used for performance enhancement.

Made With the Finest Tribulus Terrestris

Each Serving Contains a 625 mg Blend of Tribulus Terrestris Powder and Extract

Also Contains Various Sterols, Flavonoids, and Other Plant Compounds That Naturally Occur in This Species

DirectionsAs a dietary supplement, consume 1 capsule with morning and evening meals.WarningsKEEP OUT OF REACH OF CHILDREN. Store in a cool, dry place. Do not take this product if you are pregnant or nursing a baby. Check with a qualified healthcare professional before using this product if you are under 18 years of age or if you have any known or suspected medical condition(s) and/or are taking any prescription or OTC medication(s).