Natural Factors Methylcobalamin B12 5000 mcg, 60 Chewable Tablets

Customers find this B12 supplement effective, with one reporting improved B12 levels within a week or two, and they appreciate its quick-dissolving tablets that easily melt under the tongue. The supplement provides excellent B12 content, with one customer noting it's a better alternative to weekly injections, and customers find it easy to absorb. They like the taste, with one mentioning it's not sweet, and consider it good value for money, with one noting it offers more milligrams than pharmacy options.