
Product Insights
Vitamin B12 by Optisana is a French-produced liquid supplement (pnns_groups: Food supplements) sold in a pack of ten 8-ml ampoules that deliver a concentrated dose of vitamin B12 for daily use. While it offers an efficient way to prevent deficiency and is formulated with vegan-compatible synthetic cobalamin, the product is an ultra-processed (NOVA 4) preparation that may include stabilisers, preservatives and flavouring agents. As a dietary supplement it does not carry a Nutri-Score, and users should follow the recommended dosage to avoid unnecessary excess.
Comparative Analysis
Unlike broad-spectrum multivitamin tablets, this liquid Vitamin B12 provides a high, targeted dose of cobalamin with rapid absorption, but it lacks the additional vitamins and minerals found in comprehensive supplements.
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Frequently Asked Questions
Everything you need to know about Vitamin B12.








