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Unlock Explosive Gains: The Pre-Workout Powders Big Brands Don’t Want You to Know About in 2025!

Unlock Explosive Gains: The Pre-Workout Powders Big Brands Don’t Want You to Know About in 2025!

Other testers agreed, saying Alpha Brain helped them feel present and ready to work out without being overstimulated, leading to an effectiveness score of 4 out of 5 stars. 

Person measuring a scoop of Onnit Alpha Brain

Onnit Alpha Brain’s formula differs from most other strong pre-workout supplements on our list — it contains nootropics, substances that enhance learning and memory. One of the key ingredients, NooGandha, is an ashwagandha extract that can reduce stress and enhance well-being by reducing cortisol levels in the body.

Another key ingredient, AlphaSize, may promote the production of acetylcholine, a powerful neurotransmitter that enhances cognitive function. However, studies demonstrating the effect of alpha-GPC on cognitive performance used 200 to 400 milligram doses per day, and a serving of Onnit Alpha brain has 125 milligrams.

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