Muira Puama, Catuaba Bark, and Maca each carry centuries of traditional use in South American herbal practice — but "traditional use" and "modern clinical evidence" are two separate things worth distinguishing honestly.
Muira Puama: the Brazilian "potency wood"
Muira Puama is a Brazilian botanical with a long traditional-use history tied specifically to male libido, energy, and performance support. Modern research remains limited compared to more studied botanicals like ashwagandha — its inclusion here reflects traditional-use reputation more than a large modern clinical evidence base.
Catuaba Bark: traditional stamina support
Catuaba Bark comes from the same general South American traditional-medicine tradition as Muira Puama, associated with stamina and vitality support. Like Muira Puama, direct modern clinical research on Catuaba specifically remains limited.
Maca: one of the more widely used adaptogens
Maca root has a longer and somewhat broader modern research base than Muira Puama or Catuaba, being one of the more widely used and studied adaptogens in general men's wellness formulas — though its research base is still considered developing rather than extensive.
Why combining Muira Puama and Maca is a common formulation choice
Pairing a traditional libido-focused botanical (Muira Puama) with a broader energy-and-vitality adaptogen (Maca) reflects a strategy of covering multiple traditional angles at once — reasonable formulation logic, though not the same as combined clinical proof.
See the ingredient with the strongest research backing
Read our Ashwagandha deep-dive.
Read the Ashwagandha Guide