Swanson Magnesium L-Threonate - Featuring Magtein 90 Veggie Capsules

Brown rice flour is often used as a filler or binder in supplements. It is a whole grain flour that provides some fiber and nutrients, but in small amounts typical of supplements, its nutritional impact is minimal. It is generally considered a neutral ingredient with no significant health concerns.

Hypromellose is a plant-derived cellulose used as a capsule material and stabilizer. It is widely used in the pharmaceutical industry for its ability to form a gel-like consistency, aiding in controlled release of active ingredients. It is considered neutral as it does not contribute nutritional value or significant health risks.

Calcium palmitate is used as a flow agent in supplements to prevent clumping. It is a calcium salt of palmitic acid, a common saturated fatty acid. While it does not provide significant nutritional benefits, it is generally recognized as safe in small amounts used in supplements.

Microcrystalline cellulose is a refined wood pulp used as a texturizer, anti-caking agent, and bulking agent. It is inert and does not provide nutritional value, but it helps maintain the consistency and stability of the supplement. It is considered neutral due to its lack of significant health impact.

Magnesium stearate is a common flow agent used in supplement manufacturing to prevent ingredients from sticking to equipment. It is a salt of stearic acid and magnesium, and while generally recognized as safe, it can inhibit nutrient absorption if used excessively. Concerns exist about its potential to form biofilms in the intestines, which may affect nutrient absorption.