An individually reported amino acid. The reference depicts L-cysteine. [1] [2]
This reference form does not represent every form included in the USDA quantity.
Description, source and attribution
Reference depiction: L-cysteine. Formula C3H7NO2S; PubChem CID 5862; charge 0. This specified form does not represent every form or molecule included in the USDA quantity.
PubChem Compound 5862, 2D Structure. NCBI / National Library of Medicine. Source · Reuse terms
Source check: · No scientific editorial review.
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UNDERSTAND THE DATA
The nutrient, in context
How to read this ranking
This page compares Cysteine (Cysteine), in g per 100 g of food.
Chemical forms and measurement methods remain separate. “Not reported” means a value is unavailable, not that the food contains zero. A food’s rank does not determine your individual needs or diagnose a deficiency.
Intake guidance
There is no validated NIH ODS fact sheet for this identity in Bitameans’ published version. We do not assign another nutrient’s recommendations to this form. An absent fact sheet does not mean that no upper intake limit exists.
Identity and structure sources
- PubChem Compound 5862: L-(+)-Cysteine · Accessed 2026-09-13
- USDA FoodData Central: Foundation Foods Documentation · Accessed 2026-09-13
