"Fuel 5 indicators of brain health." Sold in every drugstore.
Coffee Fruit Extract · Phosphatidylserine
Doses are hidden or too numerous to grade one-by-one — this product carries a label-based rating.
| Ingredient (bulk) | Cost/serving |
|---|---|
| Phosphatidylserine | $0.13 |
| Your DIY cost | $0.13 |
| Reckitt charges ($39.99 / 30 servings) | $1.33 |
That's a 9.9× markup over building the same actives from bulk powders. (Receipt covers the parts that matter — the recognizable actives.)
Educational only — not medical advice. Grades and clinical doses are computed from public labels against sourced research (citations on the main site); prices last verified 2026-07-21. 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.