Summary Sustained-release mecobalamin (vitamin B12) supplement, delivering 1200 micrograms per tablet May help to support Red blood cell health Reduce homocysteine levels Nervous system health and function Vegan friendly Non-GMO Dosage 1 tablet daily Warnings Dietary supplements should not replace a balanced diet Ingredient Mecobalamin (Vitamin B12) 1.2 mg Downloads TGA listed: AustL 475933. The TGA publishes product info including excipients under the "Other ingredients" subheading (not typically listed on the product label). Opti B12 1200 mcg - TGA public summary inc. excipients Opti B12 1200 mcg Tech Sheet