Vitamin B Complex: Complete Guide to Benefits, Active Forms & How to Choose (2026)
⚡ QUICK ANSWER B vitamins are essential coenzymes for energy metabolism, neurological function, and homocysteine regulation. Choose active forms: methylcobalamin (B12), methylfolate 5-MTHF (B9), and pyridoxal-5-phosphate P5P (B6) for superior bioavailability — especially if you have MTHFR gene variants. Key Takeaways B vitamins are water-soluble cofactors required for energy metabolism, neurological function, and homocysteine regulation…