United States· US:63941-107_49d46b9e-4020-4f76-8217-92c3bd5e2210
Best Choice Extra Strength
A medicinal product containing calcium carbonate; magnesium hydroxide; dimethicone, unspecified, registered in United States by BEST CHOICE (VALU MERCHANDISERS COMPANY).
Checked against FDA National Drug Code directory (United States) on
Informational only — not a medical device.
The record
At a glance
FDA National Drug Code directory (United States)- Active substance
- CALCIUM CARBONATE; MAGNESIUM HYDROXIDE; DIMETHICONE, UNSPECIFIED
- Manufacturer
- BEST CHOICE (VALU MERCHANDISERS COMPANY)
- Country
- United States (US)
- ATC code
- —
- Reimbursed
- Not published by this register
- Source register
- FDA National Drug Code directory (United States)
- Last checked
- September 27, 2026
Packs & prices · 1
- ndc1163941-107-10
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Same medicine, other countries
Calcium carbonate; magnesium hydroxide; dimethicone, unspecified in 1 other country
What each register calls a product with the same active substance — salts and hydrates count as the same.
Sourced from a public register and reproduced with attribution. Drug Database is not affiliated with, endorsed by, or a partner of FDA National Drug Code directory (United States). This is an informational data service and not a medical device — verify against the official source of record before any clinical decision.
For developers
The same record over the API, and the raw payload
GET /v1/drugs/70716a14-6c29-4fad-a9ca-5e5256ac2e4e GET /v1/drugs/70716a14-6c29-4fad-a9ca-5e5256ac2e4e?format=fhir
Every response carries last_synced_at, so freshness is a field rather than a promise. Below is exactly what the ingestion wrote, before any presentation — the same JSON the API returns under payload.
{
"route": "ORAL",
"source": "ndc",
"strength": "675; 135; 60",
"substance": "CALCIUM CARBONATE; MAGNESIUM HYDROXIDE; DIMETHICONE, UNSPECIFIED",
"productndc": "63941-107",
"dosage_form": "TABLET, CHEWABLE",
"dea_schedule": null,
"strength_unit": "mg/1; mg/1; mg/1",
"application_number": "M001",
"marketing_category": "OTC MONOGRAPH DRUG"
}See everything about calcium carbonate; magnesium hydroxide; dimethicone, unspecified.
This page is the registration. A free account adds the label text as the regulator wrote it, what it costs per daily dose across the markets that publish a price, a feed of what changes in the registers, and an assistant that answers with its sources. Interaction severity is free; mechanism and management are on the Growth plan. No card, nothing to install.