65Limited data
5/8 ingredients recognized
Ingredient Safety49
Quality88
Contaminants100
Transparency67
Source Naturals
Source Naturals Vitamin B-1 100mg
supplementssingle vitamins0021078004073
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Flagged concerns
modified cellulose gum
Synthetic emulsifier; animal studies link it to microbiome disruption and inflammation.
Full ingredient list
Thiamin (vitamin B-1), Calcium (as dibasic calcium phosphate), Other Ingredients: dibasic calcium phosphate, microcrystalline cellulose, stearic acid, hydroxypropyl cellulose, modified cellulose gum, and silica