The short version
Only one company currently supplies this market — there is no backup if it stumbles.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Dem Zero
Phosphatidylserine, Magnesium Oxide · PHOSPHATIDYL SERINE 214.43 mg/450mg; GINKGO BILOBA LEAF 75.02 mg/450mg; MAGNESIUM OXIDE 11.27 mg/450mg · Tablet · Oral · NPG Bio Pharmaceuticals Co.,Ltd.
NDC 84540-0240-01 · 450 mg in 1 BLISTER PACK · OTC MONOGRAPH DRUG · View full market →
Medicare Part D
Medicare Part D does not cover over-the-counter drugs — by law it pays only for products requiring a prescription.
How Part D pricing works →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
Regulatory
- Application
- M022
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of Phosphatidylserine, Magnesium Oxide (Tablet)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| NPG Bio Pharmaceuticals Co.,Ltd. | PHOSPHATIDYL SERINE 214.43 mg/450mg; GINKGO BILOBA LEAF 75.02 mg/450mg; MAGNESIUM OXIDE 11.27 mg/450mg | Aug 26, 2026 | Sep 3, 2026 |
| NPG Bio Pharmaceuticals Co.,Ltd. | PHOSPHATIDYL SERINE 75.02 mg/450mg; GINKGO BILOBA LEAF 11.27 mg/450mg; MAGNESIUM OXIDE 214.43 mg/450mg | Jul 22, 2026 | Aug 22, 2026 |
| NPG Bio Pharmaceuticals Co.,Ltd. | GINKGO BILOBA LEAF 75.02 mg/450mg; MAGNESIUM OXIDE 11.27 mg/450mg; PHOSPHATIDYL SERINE 214.43 mg/450mg | Jul 15, 2026 | Jul 18, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Dem Zero — NDC 84540-0240-01," retrieved September 3, 2026, https://drugdashboards.com/drug/84540024001.
Free to cite with attribution — see how the data is put together.