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Essential Vitamins B9 and B12 help support cellular energy production, immune function, heart health, healthy nutrient metabolism, a healthy nervous system, and overall health and wellbeing*

They are often grouped together only because both appear frequently in preclinical tissue-repair research

Kwiatkowska E, Domaski L, Dziedziejko V, Kajdy A, Stefaska K, Kwiatkowski S (2021) The mechanism of drug nephrotoxicity and the methods for preventing kidney damage

Vitamin B5 (Pantothenic Acid): Pantothenic acid is necessary for the synthesis of coenzyme A (CoA), which is involved in energy metabolism and the production of fatty acids, cholesterol, and certain hormones

I have had minimal side effects and feel great