Creatine monohydrate: 3–5g daily. The most researched performance supplement in existence.
Whey protein: 25–40g post-training if whole food isn't practical.
Kyno Stevia: GeinzHub's own natural sweetener — zero calories, no artificial additives.
Pre-workouts with proprietary blends, fat burners, and anything that needs a disclaimer longer than the ingredient list.