Natural Factors B12 Methylcobalamin 5000 Mcg 60 Sublingual Tablets 60 Sublingual Tablets
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This supplement contains methylcobalamin, a bioavailable form of Vitamin B12, which is beneficial for energy metabolism and neurological function. However, the presence of magnesium stearate, a processed additive, raises some concerns about potential nutrient absorption issues. The formulation is relatively clean with minimal additives, but the inclusion of this additive slightly impacts the overall score.
Key ingredients 4
LactoseNeutral
Lactose is a sugar derived from milk and is commonly used as a filler in tablets. It is generally considered safe for most people, but those with lactose intolerance may experience digestive issues. It does not provide significant nutritional benefits in this context.
Risks
May cause digestive discomfort in individuals with lactose intolerance.
Microcrystalline CelluloseNeutral
Microcrystalline cellulose is a refined wood pulp used as a texturizer and anti-caking agent. It is inert and generally recognized as safe, with no significant health impacts. It serves primarily as a bulking agent in supplements.
See more about Microcrystalline Cellulose →Croscarmellose SodiumNeutral
Croscarmellose sodium is a cellulose derivative used as a disintegrant in tablets. It helps tablets dissolve quickly in the digestive tract, enhancing absorption. It is considered safe and inert.
See more about Croscarmellose Sodium →Magnesium StearateNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
May inhibit nutrient absorption and has potential immune system impacts when consumed in large amounts.
Processing
Ultra-Processed Foods
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