Caffeine is the strongest legal ergogenic aid available. An umbrella review of 21 meta-analyses (Grgic et al., Br J Sports Med 2020) confirmed caffeine improves strength, endurance, power, and speed. Even 1–2 mg per kg body weight is effective – a dose as low as a single cup of coffee.
How should I track Caffeine powder (anhydrous)?
Supplement tracking comes down to two things: measuring the supplement itself and logging everything around it. For powders like Caffeine powder (anhydrous), a kitchen scale beats a scoop — scoops typically deliver 10–20% more than the stated serving (Almiron-Roig et al., Appetite 2013, found portion errors of 50–200% for dense foods). For capsules and tablets, count-based tracking is simpler but still matters at multiple daily doses. The real tracking trap is what you mix supplements with — milk, fruit, or nut butter can turn a 30-calorie serving into a 400-calorie shake. Log each ingredient separately for an accurate total.