Onnit's Alpha Brain locks its actives inside "Focus" and "Flow" proprietary blends, so you can't see how little you're getting — and what shows through is underdosed. This stack is the three recognizable focus actives at their full studied doses: alpha-GPC for choline, L-tyrosine for focus under stress, and L-theanine for calm, jitter-free attention. Same job, no mystery blend, a fraction of the price.
🛒 Add the whole stack to your cart — 1 clickOpens a pre-filled BulkSupplements cart with all 3 items. Affiliate link — we may earn a commission, which never changes a grade or a dose. Adjust sizes at checkout.
| Ingredient | Dose | Bulk cost/serving |
|---|---|---|
| Alpha-GPC Choline source for focus and memory — Alpha Brain hides its dose in the "Focus Blend." Buy → |
600 mg/day | $0.16 |
| L-Tyrosine Dopamine precursor for focus under stress — hidden in Alpha Brain's "Flow Blend." Buy → |
1,000 mg/day | $0.05 |
| L-Theanine Calm, jitter-free attention — pairs with your morning coffee. Buy → |
200 mg/day | $0.02 |
| Whole stack | $0.23/day |
Doses are the per-serving amounts studied for each ingredient — tap any name for the evidence, sourcing, and what people actually report. Bulk prices last verified 2026-09-03.
Decode a supplement you already own Browse all gradesEducational only — not medical advice. Grades and clinical doses are computed from public labels against sourced research (citations on the main site); prices last verified 2026-09-03. Expensive Powder has no sponsors; bulk links may earn an affiliate commission, which never affects a grade. Talk to a clinician before starting any supplement.