N-acetyl l-cystine
Analysis updated June 2026 · How Scout scores
At a glance
Summary
This supplement contains several common additives such as magnesium stearate and silicon dioxide, which are used for manufacturing purposes but do not provide nutritional benefits. While these ingredients are generally recognized as safe, they can inhibit nutrient absorption and are highly processed. The formulation lacks harmful artificial additives, but the presence of these processing agents affects its overall quality compared to cleaner supplements.
Key ingredients 6
Dicalcium PhosphateNeutral
Dicalcium phosphate is commonly used as a dietary supplement to provide calcium and phosphorus. It is a processed ingredient often used as a filler or binder in tablets. While it provides essential minerals, its primary role in supplements is structural rather than nutritional.
Benefits
Provides calcium and phosphorus, which are essential for bone health.
Microcrystalline CelluloseNeutral
Microcrystalline cellulose is a refined wood pulp used as a texturizer, anti-caking agent, and bulking agent in food production. It is an inert substance that does not provide nutritional benefits. Its primary function is to improve the consistency and stability of the product.
See more about Microcrystalline Cellulose →Croscarmellose SodiumNeutral
Croscarmellose sodium is a cross-linked polymer used as a disintegrant in pharmaceutical formulations. It helps tablets dissolve more quickly in the digestive tract. It is considered safe for consumption in small amounts.
Benefits
Facilitates the breakdown and absorption of tablets in the digestive system.
Stearic AcidNeutral
Stearic acid is a saturated fatty acid used as a lubricant in the manufacturing of supplements. It is naturally found in animal and plant fats. While it is generally considered safe, excessive intake of saturated fats can be a concern.
Risks
Excessive intake of saturated fats may contribute to cardiovascular issues.
Magnesium StearateNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
May inhibit nutrient absorption when consumed in large quantities.
Silicon DioxideNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
See more about Silicon Dioxide →Processing
Processed Foods
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