Pill identification — FDA label match

NL1 Pill — Metformin Hydrochloride 1000 mg (White, Oval)

A white oval tablet with the imprint NL1 matches the FDA label for Metformin Hydrochloride 1000 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.

ImprintNL1
Brand nameMetformin
Generic nameMetformin Hydrochloride
Active ingredient(s)Metformin Hydrochloride 1000 mg
Strength1000 mg
Dosage formTablet, Extended Release
ColourWhite
ShapeOval
Size21 mm
ScoreNo score
LabelerRemedyrepack Inc.
NDC examples70518-4651-0, 70518-4651-1

What this medicine is

According to its FDA-approved label, Metformin Hydrochloride is described as follows (reference information only — not advice about whether it is right for anyone):

Metformin hydrochloride extended-release tablets are a biguanide indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. ( 1 ) Metformin hydrochloride extended-release tablets are indicated as an adjunct to diet and exercise to improve...

Equivalent pills — same medicine, different imprint

The pills below contain the same active ingredient at the same strength (Metformin Hydrochloride 1000 mg). Different makers stamp their own codes, so equivalent pills often look completely different. This is factual label information — it is not a suggestion to substitute one product for another; only a pharmacist or prescriber can advise on that.

1 4 A Metformin Hydrochloride 1000 mg — White · oval · 19 mmG 12 Metformin Hydrochloride 1000 mg — White · oval · 19 mmG42 Metformin Hydrochloride 1000 mg — White · oval · 19 mmMTN1000 Metformin Hydrochloride 1000 mg — White · round · 13 mmQ22 LU Metformin Hydrochloride 1000 mg — White · oval · 21 mmME2 Metformin Hydrochloride 1000 mg — White · oval · 20 mm
H 104 Metformin Hydrochloride 1000 mg — White · oval · 19 mmFull page in a later wave
10 00 Metformin Hydrochloride 1000 mg — White · oval · 19 mmFull page in a later wave
C 474 Metformin Hydrochloride 1000 mg — White · oval · 19 mmFull page in a later wave
Z 71 Metformin Hydrochloride 1000 mg — White · oval · 19 mmFull page in a later wave
229 229 Metformin Hydrochloride 1000 mg — White · oval · 19 mmFull page in a later wave
L 11 Metformin Hydrochloride 1000 mg — White · oval · 19 mmFull page in a later wave
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Frequently asked questions

What pill has the imprint NL1?

A white oval tablet with the imprint NL1 matches the FDA label for Metformin Hydrochloride 1000 mg. Always compare the colour, shape and size as well — short imprints are shared by different medicines — and confirm with a pharmacist.

What does the NL1 pill look like?

On its FDA label it is described as a white oval tablet, 21 mm, with a score recorded as: no score.

How can I be sure this identification is right?

Check every characteristic — imprint (both sides), colour, shape, size and score — against the pill in your hand. If all of them agree, the pill matches the FDA label shown here, but that is still not a guarantee: counterfeit pills copy real imprints. A pharmacist can confirm the identification in person, and you should never take a pill you are not certain about.

Browse: all pills with imprint NL1 · Metformin Hydrochloride — all forms & strengths · White pills · Oval pills

Source: FDA label data via DailyMed/openFDA · Label set ID 27f603ec-25e6-4270-a7a3-34a64a76f7ef · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.