Methylcobalamin is a natural form of vitamin B12, and cyanocobalamin is synthetic. The two forms also differ in structure—methylcobalamin contains a methyl group, and cyanocobalamin contains a cyanide ...
For moderate doses (below 5 mg/day), 20 percent experienced improved language or communication. Read More: What You Need to Know About Vitamin C, Vitamin B, Turmeric, and Fish Oil/Omega-3 Vitamin B12, ...