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B12 shots are injected intramuscularly, which means they dont have to go through the digestive system like an oral supplement
This means the same unit measurement on your syringe delivers twice the dose
Prioritize protein (0.7 to 1.0 grams per pound of target body weight), eat frequent small meals rather than large infrequent ones, limit high-fat foods during dose increases to reduce nausea, stay hydrated, and avoid alcohol (which worsens both GI side effects and calorie intake)
The key variable is how much each macronutrient slows gastric emptying
B12 is a water-soluble vitamin, and when administered under medical supervision, its a safe and effective way to improve energy and support metabolism
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