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Unextracted plasma was directly subjected to EIA, demonstrating displacement curves parallel to the standards

Vitamin B12 is an essential nutrient that plays a key role in supporting immune health

Dorelli B, Gall F, De Vito C, Duranti G, Iachini M, Zaccarin M, et al

A concurrent vitamin D deficiency can increase the severity of mental health problems

Vitamin B12 deficiency symptoms Weakness, tiredness, or lightheadedness Heart palpitations and shortness of breath Pale skin A painful, smooth, inflamed tongue (glossitis) Digestive issues Bluish or gray-brown nails Loss of appetite What happens if your vitamin B12 deficiency is left untreated