Sensitivity or Allergies to B12 or Its Components: Some individuals may have an allergic reaction to the preservatives or additives in B12 injections, especially those with known sensitivities to certain medications or substances
Because of this, they must come from the foods we eat
Ketogenic diet: rapid onset of selenium deficiency-induced cardiac decompensation
Only the L-isomer should be used clinically, because exposure to the racemic D, L-carnitine has produced reversible myasthenia in uremic patients
Vora SM, Lieberman J, Wu H (2021) Inflammasome activation at the crux of severe COVID-19
Whey (aus Milch) enthlt von Natur aus etwas L-Carnitin, und pflanzliche Quellen wie Nsse, Samen, Vollkorngetreide und einige Obst- und Gemsesorten (wie Avocados und Spargel) enthalten es in geringen Mengen