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[7] Improved body composition: From a fitness perspective, reducing subcutaneous fat can help reveal muscle definition and improve overall body composition, which are important factors for bodybuilders and fitness enthusiasts
Vitamin B12 Intramuscular Dosage Guidelines The intramuscular route is often preferred for Vitamin B12 injections
According to the 2025 meta-analysis by Alfalasi and colleagues, sublingual B12 showed an approximate 199% mean increase in serum B12 compared to approximately 307% for intramuscular injections
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