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Tribulus Terrestris

A long-standing favourite for supporting healthy testosterone levels and drive, tribulus is prized for its saponins, though it's only half the story on its own, so we pin the saponins at 40% and add the minerals that count. Zinc contributes to the maintenance of normal testosterone levels, magnesium to normal muscle function, and B6 to hormonal activity, rounded off with copper and boron. Every amount is on the label, independently tested.

Proudly made in the USA and the UK to the strictest of standards

Valued for its saponins, so standardise them

Tribulus terrestris is one of the longest-standing plants in men's and sports supplementation, valued for its saponins. Those saponins are what people are actually paying for, so the standardisation figure is the one that matters: each serving provides 500mg of Tribulus extract standardised to 40% saponins, a high level for the compounds the plant is prized for.

40% saponins, plus zinc, magnesium and B6

The botanical is only half the story here. Each serving adds 30mg of zinc, which contributes to the maintenance of normal testosterone levels in the blood and to normal fertility and reproduction; 360mg of magnesium, which contributes to normal muscle function; and 10mg of vitamin B6, which contributes to the regulation of hormonal activity. Those are authorised nutrient roles, not botanical claims, and they're the reason this tablet does more than a plain tribulus extract.

Complete, clean, tested every batch

Rounded out with copper, boron and black pepper extract, made in cGMP-certified facilities with clean, well-tolerated binders and no artificial nasties. Every batch is independently third-party tested to confirm content and screen for contaminants, and every ingredient and its amount is printed openly on the label.

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  • 3rd Party Tested

    Tested by 3rd party labs to ensure they contain exactly what is stated on the label.

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    Consistently ranked as the number 1 choice on Amazon since 2011.

FOR EVERY BOTTLE YOU BUY A TREE IS PLANTED ON YOUR BEHALF

A tiny sapling goes a long way. Through our partnership with Eden Reforestation Projects, we are helping to plant trees on a massive scale.

Together we protect vital eco-systems, help mitigate climate change, and create jobs that help provide education, health care, and food for rural communities in Mozambique, Nepal, Madagascar, and Ethiopia.

Our aim is to plant 10 million trees by 2030.

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