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L-Cysteine/N-Acetyl L-Cysteine

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14
products
Updated April 2026

Dosage Range

38 mgavg 104.46 mg200 mg

L-Cysteine/N-Acetyl L-Cysteine is found in 37 supplement products from 2 brands. Dosages range from 38 to 200 mg, with an average of 104.46. The most common form is Other (e.g. tea bag).

Top 5 Highest-Dosage L-Cysteine/N-Acetyl L-Cysteine Supplements

  1. Ultra Preventive III Low Allergenicity by Douglas Laboratories — 200 mg
  2. Ultra Preventive III with Copper & Iron by Douglas Laboratories — 200 mg
  3. Ultra Preventive IX by Douglas Laboratories — 200 mg
  4. Monster Multi by CytoSport — 100 mg
  5. Ultra Preventive III Capsules by Douglas Laboratories — 100 mg

Ultra Preventive III Low Allergenicity by Douglas Laboratories has the highest L-Cysteine/N-Acetyl L-Cysteine dosage at 200 mg. Ultra Cardio Support Pack by Douglas Laboratories has the lowest at 75 mg.

All Products

showing 14 of 14

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Ultra Preventive III Low Allergenicity
⚠ EXCEEDS UL (2)
● OTHER INGREDIENTS (2)
Douglas Laboratories
200 mg— DVTablet or Pill
Ultra Preventive III with Copper & Iron
● OTHER INGREDIENTS (2)
Douglas Laboratories
200 mg— DVTablet or Pill
Ultra Preventive IX
⚠ EXCEEDS UL (3)
● OTHER INGREDIENTS (2)
Douglas Laboratories
200 mg— DVTablet or Pill
Monster Multi
⚠ EXCEEDS UL (2)
● OTHER INGREDIENTS (4)
CytoSport
100 mg— DVOther (e.g. tea bag)
Ultra Preventive III Capsules
● OTHER INGREDIENTS (2)
Douglas Laboratories
100 mg— DVCapsule
Bone Health Pack
⚠ EXCEEDS UL
● OTHER INGREDIENTS (3)
Douglas Laboratories
75 mg— DVOther (e.g. tea bag)
Memory Pack
● OTHER INGREDIENTS (2)
Douglas Laboratories
75 mg— DVOther (e.g. tea bag)
Senior Women's Pack
⚠ EXCEEDS UL
● OTHER INGREDIENTS (3)
Douglas Laboratories
75 mg— DVOther (e.g. tea bag)
Week Four: Repair
● OTHER INGREDIENTS (2)
Douglas Laboratories
75 mg— DVOther (e.g. tea bag)
BP Pack
⚠ EXCEEDS UL
● OTHER INGREDIENTS (2)
Douglas Laboratories
75 mg— DVOther (e.g. tea bag)
Ultra Preventive Teen
● OTHER INGREDIENTS (2)
Douglas Laboratories
50 mg— DVTablet or Pill
Skin Support Pack
● OTHER INGREDIENTS (2)
Douglas Laboratories
38 mg— DVOther (e.g. tea bag)
Met-A-SynX-Pack
● OTHER INGREDIENTS (2)
Douglas Laboratories
38 mg— DVOther (e.g. tea bag)
Ultra Cardio Support PackDiscontinued
● OTHER INGREDIENTS (3)
Douglas Laboratories
75 mg— DVOther (e.g. tea bag)

Frequently Asked Questions

How many products contain L-Cysteine/N-Acetyl L-Cysteine?

There are 37 supplement products containing L-Cysteine/N-Acetyl L-Cysteine from 2 brands in the NIH DSLD database.

What is the average L-Cysteine/N-Acetyl L-Cysteine dosage?

The average L-Cysteine/N-Acetyl L-Cysteine dosage across supplement products is 104.46 mg. Dosages range from 38 to 200 mg.

What is the most common form for L-Cysteine/N-Acetyl L-Cysteine supplements?

The most common product form for L-Cysteine/N-Acetyl L-Cysteine supplements is Other (e.g. tea bag).

What brands make L-Cysteine/N-Acetyl L-Cysteine supplements?

There are 2 brands that make supplements containing L-Cysteine/N-Acetyl L-Cysteine in the NIH DSLD database.

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Quick Facts

Products
37
Brands
2
Avg Dose
104.46 mg
Common Form
Other (e.g. tea bag)
Category
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