should i take acetyl l carnitine with food NOW Foods Now 500mg, 360 Veg Capsules l carnitine in empty stomach

Adorefem, the top pharmaceutical company, produces L-carnitine tablets under the branding of Nanocob-LC

A standard working concentration is 1mg/mL (0.1%): add 10mL to a 10mg vial

The lack of vitamin B12 may result from any of the following conditions: Addisonian (pernicious) anemia this condition causes autoantibody formation against parietal cells, which results in a lack of IF essential for absorption of vitamin B12 from the intestine Malabsorption impaired absorption of vitamin B12 Gastrointestinal pathology, dysfunction, or surgery these include atrophic gastritis, celiac disease, small bowel bacterial overgrowth, pancreatic insufficiency, Helicobacter pylori infection, gastric carcinoma, and total or partial gastrectomy Diphyllobothrium latum and related species (the fish tapeworm) infestation these parasites compete with vitamin B12 for intestinal absorption

Cell , 102:3342

This is the single most effective strategy for minimizing side effects while still achieving your goals