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Eurycoma longifolia root, the most studied natural testosterone ingredient. It works by freeing up bound testosterone and easing cortisol, so more of what you make is usable. 800mg is the top of the range used in human trials, not a sprinkle.

Form Root extract

The black variety of Peruvian maca root, gelatinised so it actually absorbs. Traditionally used for stamina, drive and energy. It works alongside your hormones rather than on them, which is why it stacks cleanly with Tongkat.

Form Gelatinised root powder

A West African stem extract used to support the body's own testosterone signalling through a different pathway to Tongkat Ali. Running both is the point of the formula: two routes to the same result.

Form Stem extract

An ecdysteroid from Ajuga turkestanica. Supports muscle protein synthesis without touching your hormone axis, so there is nothing to suppress and nothing to recover from afterwards.

Form Standardised extract

Seed extract standardised for its saponins. Supports healthy testosterone and metabolic function, and rounds out the herbal side of the formula at a dose that matches the research.

Form Seed extract

The mineral that contributes to the maintenance of normal testosterone levels in the blood. Hard training and sweating pull zinc down, so most men who train are running low without knowing it.

Form Zinc citrate

800 IU of D3. Contributes to normal muscle function, bones and the immune system. Most of the UK is low from October to March, so it is in every serving rather than left to chance.

Form D3 cholecalciferol

Diindolylmethane, the compound your body makes from cruciferous veg. Supports healthy oestrogen metabolism so the testosterone to oestrogen ratio stays where you want it as levels rise.

Form Diindolylmethane