Is B1 the Same Thing as B12? The Key Differences Explained
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4 min read
Despite belonging to the same B-complex family, a 2025 health professional fact sheet from the NIH clearly states that Vitamin B1 (Thiamin) and Vitamin B12 (Cobalamin) are distinct nutrients with separate and unique functions in the body. This article clarifies why B1 is not the same thing as B12.
