Pill identification — FDA label match

N566 Pill — Estradiol 2 mg (Green, Oval)

A green oval tablet with the imprint N566 matches the FDA label for Estradiol 2 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.

ImprintN566
Generic nameEstradiol
Active ingredient(s)Estradiol 2 mg
Strength2 mg
Dosage formTablet
ColourGreen
ShapeOval
Size9 mm
ScoreTwo even pieces
LabelerRemedyrepack Inc.
NDC examples70518-3910-0, 70518-3910-1, 70518-3910-2

What this medicine is

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

Estradiol tablets are indicated in the: Treatment of moderate to severe vasomotor symptoms associated with the menopause. Treatment of moderate to severe symptoms of vulvar and vaginal atrophy associated with the menopause. When prescribing solely for the treatment of symptoms...

Equivalent pills — same medicine, different imprint

The pills below contain the same active ingredient at the same strength (Estradiol 2 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.

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Frequently asked questions

What pill has the imprint N566?

A green oval tablet with the imprint N566 matches the FDA label for Estradiol 2 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 N566 pill look like?

On its FDA label it is described as a green oval tablet, 9 mm, with a score recorded as: two even pieces.

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 N566 · Estradiol — all forms & strengths · Green pills · Oval pills

Source: FDA label data via DailyMed/openFDA · Label set ID 41f7a56c-4ce3-4cc6-803e-1ff662efef90 · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.