Insider's takeaway The Institute of Medicine has not established a tolerable upper intake level of B12 because studies show no adverse health effects when taking excess levels of B12, either through food or supplements
The following symptoms of vitamin B12 deficiency are listed by Bupa: Feeling very tired Breathlessness even after little exercise Heart palpitations Headaches A reduced appetite A sore mouth and tongue Avoiding vitamin B12 deficiency Experts say adults aged 19 to 64 require around 1.5 micrograms (mg) a day of vitamin B12, and you should be able to get this through your diet
Alternative Routes : Investigating the safety and efficacy of alternative delivery methods, such as Subcutaneous (SC) injection, which is often easier for self-administration and may cause less discomfort
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
Have you ever tried B12 shots
Nystrom, F