For that Feeling of Well Being The B-Vitamin Complex is made up of several B vitamins that work well together to support nervous system health.* This product combines Vitamins B-1 (Thiamin), B-2 (Riboflavin), B-3 (Niacin), and B-12, from natural sources. B-Complex vitamins are involved in energy metabolism and help maintain the health of nerves and heart health.* The Vitamin B-12 helps in the normal formation of red blood cells.*Research UpdateA review study looked at the importance of B-vitamins as we age. The authors summarized many factors that can result in sub-optimal B-vitamin status, including inadequate intake from food and decreased absorption of certain vitamins with age, amongst other factors. Low levels of B-vitamins may affect heart, brain and even bone health.* Vitamin B-12 in particular was mentioned as one of the most studied B-vitamins for its role in overall health with aging.* Consequences and Public Health Implications of Low B-Vitamin Status in Ageing.Nutrients.