Medicina, 2022 — Meta-analysis
Higher total testosterone in men
Meta-analysis of clinical trials found Eurycoma longifolia significantly increased serum total testosterone vs placebo.
Leitão A.E. et al. 2022. Medicina 58(8):1047.
Read on MDPI

As heard on
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Why people take it
The evidence
Each ingredient in the stack has been studied for testosterone support, from human trials of Tongkat Ali to animal research on Fadogia agrestis and Cistanche tubulosa. These studies are linked for transparency and aren’t specific to our product. Individual results vary.
Medicina, 2022 — Meta-analysis
Meta-analysis of clinical trials found Eurycoma longifolia significantly increased serum total testosterone vs placebo.
Leitão A.E. et al. 2022. Medicina 58(8):1047.
Read on MDPIJ. Int. Society of Sports Nutrition, 2013
Subjects supplementing with standardised Tongkat Ali for 4 weeks showed reduced cortisol and improved testosterone, with measured mood improvements.
Talbott S.M. et al. 2013. JISSN 10:28.
Read on PMCAsian Journal of Andrology, 2005 — Animal study
Male rats given a water extract of Fadogia agrestis stem for 5 days showed more mating behaviour and higher blood testosterone than controls, up to about six-fold at the highest dose.
Yakubu M.T. et al. 2005. Asian J Androl 7(4):399-404.
Read on PubMedPharmaceutical Biology, 2016 — Animal study
Male rats given Cistanche tubulosa extract daily for 20 days had higher testosterone and sperm counts, and more of the testicular enzymes that produce testosterone.
Wang T. et al. 2016. Pharm Biol 54(3):481-487.
Read on PubMedStatements have not been evaluated by the TGA. This product is not intended to diagnose, treat, cure or prevent any disease.
Simple to use
Four capsules a day across three products, cycled weekly.
1 capsule of each a day, with food and a glass of water.
2 capsules a day, with food and a glass of water.
Cycle the stack 5 days on, 2 days off. Each stack is a three-month supply.
Side by side
Most “testosterone stacks” are proprietary blends. Ours is three standardised extracts, each tested on its own.
Australian-owned · Lab tested
Tongkat Ali, Fadogia Agrestis and Cistanche Tubulosa in one stack, third-party tested.
Free shipping over $120. Third-party lab tested. Australian-owned.