L-cysteine Monohydrochloride
L-cysteine Monohydrochloride carries a source-backed screening score of 3/5 and appears in 109 indexed US food products.
Source-backed answer
L-cysteine Monohydrochloride appears in 109 catalogued products. CSPI has no rating attached in this snapshot. Its FDA SAFFA status is “GRAS.” Those source labels describe the ingredient; they do not establish whether a particular product, dose, allergy, or diet is safe.
- 109
- catalogued products
- #2,950
- usage rank of 247,206
- 34
- named brands represented
- 76%
- average depth down ingredient lists
Catalog prevalence comes from Open Food Facts ingredient lists. FDA SAFFA and CSPI Chemical Cuisine labels are shown only when the source record contains them.
L-cysteine Monohydrochloride sits in the busiest tenth of the catalog (#2,950 / 247,206)
- Usage rank
- #2,950
- of 247,206 ingredients that appear in at least one catalogued product, tied with 14 others that also appear in exactly 109 products, listed in more products than 98.8% of them.
- Typical depth in an ingredient list
- 76%
- Averaged label depth puts L-cysteine Monohydrochloride near the end of the captured list (76% of list length, mean slot 31.6). Compound ingredients and OCR noise mean this cannot stand in for quantity.
Derived by this site from the ingredient lists of every catalogued product (Open Food Facts), recomputed on each data refresh. 247,206 ingredients have at least one appearance and are ranked here. Usage and list position describe prevalence, not safety.
How to use this page
Separate this ingredient from its product neighborhood
This is a mixed product neighborhood: 37 of 109 records have some flagged component, while the rest do not. Compare Bell's, traditional stuffing; Casa Mamita Chicken & Cheese Taquitos; Celeste, pizza, mushroom to see how surrounding formulations change; do not assign their 20–100 score range to L-cysteine Monohydrochloride itself. The ingredient most often sits near the end of the captured list, and Frozen foods supplies the most useful like-for-like starting point for a label review.
37 of 109 linked records have some flagged component
All 109 NOVA-classified records cluster most heavily in Group 4, while the first-category labels split across several shelves. That makes the 20–100 score spread more informative than the average alone: investigate the low end, identify the actual flagged row, and compare it with a similar unflagged formulation before drawing a conclusion.
Next check: pair one flagged product with a similar unflagged product from the same shelf category.
What else is usually in the same product as L-cysteine Monohydrochloride
Across the 109 products on this site that list L-cysteine Monohydrochloride, these flagged additives appear alongside it most often. The comparison column is how often each one appears across every product with a parsed ingredient list, so the two figures are measured over the same set. Azodicarbonamide shows up about 73.5x more often with L-cysteine Monohydrochloride than in the catalogue at large.
| Additive | Shared products | Share of L-cysteine Monohydrochloride products | Share of all products |
|---|---|---|---|
| Azodicarbonamide | 16 | 14.7% | 0.2% |
| Carrageenan | 9 | 8.3% | 4.5% |
| Caramel Coloring | 9 | 8.3% | 5.7% |
| BHT | 6 | 5.5% | 1.1% |
| Sodium Nitrite | 5 | 4.6% | 2.4% |
Co-occurrence describes what manufacturers formulate together. It is not a claim that these additives interact, and it carries no regulatory meaning. Counted over products with parsed ingredient lists; Open Food Facts, 2026-09-01.
Function
DOUGH STRENGTHENER, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FLOUR TREATING AGENT, LEAVENING AGENT, NUTRIENT SUPPLEMENT
How do the sampled products compare?
Each point is one of the 16 sampled products listed below: its overall safety score against how many separately flagged ingredients its label carries. Bubble size is the number of ingredient rows the label actually resolved to.
Safety score vs. flagged-ingredient count for products containing L-cysteine Monohydrochloride
Products Containing L-cysteine Monohydrochloride
A sample of 16 high-volume listings among the 109 indexed products containing L-cysteine Monohydrochloride:
L-cysteine Monohydrochloride vs other top-decile catalog footprints
Top-decile company for L-cysteine Monohydrochloride: 109 listings averaging 92.4/100. Catalog-mass neighbours in view: Annatto Vegetable Color; B-vitamin; Cayenne Pepper Powder.
Similar product count
Nearest other ingredients by Open Food Facts product count (floored at ≥50).
Similar mean product score
Score-axis peers only, mean screening score among ingredients with ≥50 scored products, not a second count list.
Using the L-cysteine Monohydrochloride evidence
Start from L-cysteine Monohydrochloride's 109 catalogued appearances and the attached source fields, then open the product rows that match your use case.
- Check the listed products containing L-cysteine Monohydrochloride before treating the aggregate count as a personal conclusion. Open product sample
- Compare L-cysteine Monohydrochloride with a peer such as “Annatto Vegetable Color” on source-backed rating, FDA status, and product footprint. Browse ingredient records
- Check the methodology for how FDA SAFFA, CSPI, and Open Food Facts rows are joined on this site. See source joins
This page describes published source classifications and product-label coverage. It is not dietary, allergy, or medical advice.
Frequently Asked Questions
Does L-cysteine Monohydrochloride carry its own safety label in this catalog? ▼
This is a mixed neighborhood: some linked products carry a separate flag while others do not. L-cysteine Monohydrochloride itself carries and FDA SAFFA status "GRAS" where the source record supplies them. Compare like-for-like products before treating the average screening score as an ingredient verdict.
Which product shelves show up most often with L-cysteine Monohydrochloride? ▼
L-cysteine Monohydrochloride ranks in the top decile by product count (#2,950 of 247,206), appearing in 109 indexed products led by Frozen foods. The sample list below is a slice of that footprint, not the full universe.
What does L-cysteine Monohydrochloride do in food? ▼
L-cysteine Monohydrochloride is recorded as a dough strengthener, flavor enhancer, flavoring agent or adjuvant, flour treating agent, leavening agent, nutrient supplement in source technical-effect fields.
Regulatory status: FDA SAFFA (L-cysteine Monohydrochloride). Safety ratings: CSPI Chemical Cuisine; product presence: Open Food Facts via PlainFoodSafe (September 2026). Figures are computed from those sources, no editor-typed counts. Methodology · State regulations.