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L-Cystine

amino acid

7
products
Updated April 2026

Dosage Range

10 mgavg 111.86 mg150 mg

L-Cystine is found in 14 supplement products from 8 brands. Dosages range from 10 to 150 mg, with an average of 111.86. The most common form is Powder.

Top 5 Highest-Dosage L-Cystine Supplements

  1. Collagenics by Metagenics — 150 mg
  2. Amino Complex Berry Flavored by Thorne — 150 mg
  3. AMD by Genestra Brands — 100 mg
  4. Vitamins for the Hair Timed Release by Puritan's Pride — 100 mg
  5. Core Minerals by USANA — 80 mg

Collagenics by Metagenics has the highest L-Cystine dosage at 150 mg. Amino Blend by Progressive Professional from Progressive Laboratories has the lowest at 26 mg.

All Products

showing 7 of 7

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Collagenics
● OTHER INGREDIENTS (2)
Metagenics
150 mg— DVTablet or Pill
Vitamins for the Hair Timed Release
⚠ EXCEEDS UL
● OTHER INGREDIENTS (2)
Puritan's Pride
100 mg— DVOther (e.g. tea bag)
Core Minerals
● OTHER INGREDIENTS (2)
USANA
80 mg— DVTablet or Pill
GlowMode
● OTHER INGREDIENTS (2)
Evlution Nutrition
50 mg— DVCapsule

Frequently Asked Questions

How many products contain L-Cystine?

There are 14 supplement products containing L-Cystine from 8 brands in the NIH DSLD database.

What is the average L-Cystine dosage?

The average L-Cystine dosage across supplement products is 111.86 mg. Dosages range from 10 to 150 mg.

What is the most common form for L-Cystine supplements?

The most common product form for L-Cystine supplements is Powder.

What brands make L-Cystine supplements?

There are 8 brands that make supplements containing L-Cystine in the NIH DSLD database.

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Quick Facts

Products
14
Brands
8
Avg Dose
111.86 mg
Common Form
Powder
Category
amino acid