The short version
Only one company currently supplies this market — there is no backup if it stumbles.
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DEFEND Sinus
OYSTER SHELL CALCIUM CARBONATE, CRUDE, GOLDENSEAL, POTASSIUM DICHROMATE, and PULSATILLA VULGARIS · OYSTER SHELL CALCIUM CARBONATE, CRUDE 3 [hp_X]/1; GOLDENSEAL 6 [hp_X]/1; POTASSIUM DICHROMATE 6 [hp_X]/1; PULSATILLA VULGARIS 6 [hp_X]/1 · Tablet, Soluble · Oral · Hyland's Inc.
NDC 54973-3187-01 · 1 BOTTLE, PLASTIC in 1 CARTON / 40 TABLET, SOLUBLE in 1 BOTTLE, PLASTIC · UNAPPROVED HOMEOPATHIC · View full market →
Medicare Part D
Medicare Part D does not cover homeopathic products, which are not FDA-approved drugs.
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
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- TE code
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- Approval date
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- Patents / exclusivity
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Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of OYSTER SHELL CALCIUM CARBONATE, CRUDE, GOLDENSEAL, POTASSIUM DICHROMATE, and PULSATILLA VULGARIS (Tablet, Soluble)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Hyland's Inc. | OYSTER SHELL CALCIUM CARBONATE, CRUDE 3 [hp_X]/1; GOLDENSEAL 6 [hp_X]/1; POTASSIUM DICHROMATE 6 [hp_X]/1; PULSATILLA VULGARIS 6 [hp_X]/1 | Aug 26, 2026 | Sep 2, 2026 |
| Hyland's Inc. | OYSTER SHELL CALCIUM CARBONATE, CRUDE 6 [hp_X]/1; GOLDENSEAL 3 [hp_X]/1; POTASSIUM DICHROMATE 6 [hp_X]/1; PULSATILLA VULGARIS 6 [hp_X]/1 | Jul 22, 2026 | Aug 19, 2026 |
| Hyland's Inc. | GOLDENSEAL 6 [hp_X]/1; OYSTER SHELL CALCIUM CARBONATE, CRUDE 3 [hp_X]/1; POTASSIUM DICHROMATE 6 [hp_X]/1; PULSATILLA VULGARIS 6 [hp_X]/1 | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "DEFEND Sinus — NDC 54973-3187-01," retrieved September 3, 2026, https://drugdashboards.com/drug/54973318701.
Free to cite with attribution — see how the data is put together.