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Joint Health

Eggshell Membrane

Also known as: NEM, Natural Eggshell Membrane

B
Evidence

Natural source of collagen, hyaluronic acid, and glucosamine. Fast-acting joint support.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

Add Natural Factors NEM 500 mg to your stack — free
The highest-scored Eggshell Membrane product in our catalog (90/100). Track dose and overlaps in the app.
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Common questions

How much Eggshell Membrane should I take?

The typical range is 500mg daily. 7-10 days for initial effects

When should I take Eggshell Membrane?

Any time. Optional.

Which form of Eggshell Membrane is best?

Capsules — NEM brand common.

Is Eggshell Membrane safe?

Commonly reported: Rare. Serious warnings: None. Safe

Which Eggshell Membrane supplement scores highest?

Natural Factors NEM 500 mg, at 90/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

  • Joint comfort
  • Flexibility
  • Connective tissue

How it works

  • Provides collagen, HA, GAGs
  • Natural matrix of joint nutrients
  • May reduce inflammation

Dosage

Typical range
500mg daily
Timing
Any time
With food
Optional
Duration
7-10 days for initial effects
Special populations
Joint stiffness, flexibility

Forms

  • Capsules

Safety

Common side effects

  • Rare

Contraindications

  • Egg allergy

Products containing Eggshell Membrane

Top-scoring supplements in our catalog that list Eggshell Membrane on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Natural Factors
NEM 500 mg
Find on Amazon
90
See all products →

Evidence notes

Fast-acting, natural complex

Grade B: Some human trials support key claims; further confirmation needed.

Related in Joint Health

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.