According to the National Heart, Lung, and Blood Institute, this absorption failure makes B12 injections the primary and most effective treatment, as they deliver the nutrient directly where your body can use it, bypassing the digestive system entirely
Indeed, research found that supplementing with 2grams of L-carnitine + 80g carbohydrate twice daily for 24 weeks saw an increase in fatty acid utilisation, substantially reduced lactate production and an increased work output of 11% from baseline when compared to no change in the control group 7
For continuous outcomes, we calculated mean differences and 95% CIs using an inverse variance random-effects model
Vitamin D : Regulates your immune system and supports pigment production
Scan the "other ingredients" list for fillers, soy, or synthetic additives you want to avoid
Theyre often used off-label for weight, but that is off-label use, not an approved weight-loss indication