l carnitina 1 g CARNITOR ® (levocarnitine) Oral Solution (1 per 10 mL multidose) Carnitine efficiently Nutricost L-Carnitine Tartrate Powder (100

[It] also aids in DNA synthesis and is involved in the metabolism of carbohydrates, fats, and proteins." Because it's so important, those with this type of vitamin deficiency, which is diagnosed via a blood test, are usually recommended to take either supplements or get regular B12 shots

Vitamin B 12 is present in animal products, such as meat, poultry, fish (including shellfish), and to a lesser extent, dairy products and eggs (1)

Telomere shortening is associated to TRF1 and PARP1 overexpression in Duchenne muscular dystrophy

Association of biochemical B 12 deficiency with metformin therapy and vitamin B 12 supplements: The National Health and Nutrition Examination Survey, 1999-2006 Diabetes Care