Quick answer: Maca has small human trials showing more reported desire at 1.5 to 3 g a day; muira puama and catuaba rely mainly on traditional use.
Maca: the best-studied of the three
In a 12-week randomized trial, men taking 1.5 g or 3 g of maca a day reported more sexual desire from week 8 than men on placebo, with no change in testosterone (Gonzales et al., 2002). Other small trials point in a similar direction, but they are short and small.
Muira puama
A shrub from the Amazon whose bark is a long-standing folk remedy for male vitality. Controlled human trials on it alone are almost non-existent. It is best described as traditional use with some lab interest.
Catuaba
Another Brazilian bark in the same tradition, often paired with muira puama. The modern research record is thin.
How this relates to SodaPeak
All three sit inside an 82 mg blend with six other components. Maca alone was studied at 1,500 to 3,000 mg. So SodaPeak cannot be assumed to match the maca trials, and the brand does not claim that it does. The value of the formula is breadth and convenience, not clinical dosing. See the full SodaPeak ingredient list and the blend explainer.
What about Epimedium and Tribulus?
Epimedium (horny goat weed) has mostly lab and animal research on its compound icariin. Tribulus has mixed human results with no reliable testosterone effect. Both appear in many men's formulas; neither has strong human evidence yet.
More SodaPeak guides
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This article is general information, not medical advice. SodaPeak is a dietary supplement and is not intended to diagnose, treat, cure or prevent any disease.