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BMC Endocrine Disorders, 16 , 48

Fat Metabolism and Weight Management Carnitine and arginine work together to enhance fat oxidation and circulation, supporting weight loss and improved body composition when paired with healthy nutrition and exercise

Table of Contents: What makes vitamin B12 injections more effective than oral supplements

However, both compounds individually cause: Nausea (60-80% of users at higher doses) Vomiting (20-35%) Diarrhea (25-40%) Injection site reactions (15-25%) Potential pancreatitis (rare but serious) Combining these compounds could theoretically amplify these effects, though the actual incidence and severity remain unstudied

After initial repletion, a maintenance dose is given, often 1,000 mcg intramuscularly every month or every 2 to 3 months, to prevent recurrence of deficiency