It's crucial to have realistic expectations and understand that consistent, regular use of the injections is typically required to maintain any benefits
Priyali Singh, MD Jul 2, 2026 10 min read Best-in-class care is a click away Find everything and everyone you need to reach your metabolic health goals, in one place
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Vitamin B12 is naturally found in animal products such as meat, fish, poultry, dairy, and eggs
Recommended Timing Protocols Morning Fasted Protocol (Most Common): Timing: Upon waking, before any food or caloric beverages Fasting Window: At least 8-10 hours fasted from overnight sleep Post-Injection: Wait 30-60 minutes before eating breakfast Activity: Light fasted cardio or morning routine before first meal may enhance fat mobilization Advantages: Convenient, consistent daily routine, maximizes overnight fasted state Pre-Exercise Protocol: Timing: 30-45 minutes before fasted cardio or training session Fasting Window: At least 4-6 hours since last meal Rationale: Exercise during fasted state with elevated free fatty acids may enhance fat oxidation Considerations: Not suitable for high-intensity training