Possible adverse effects may include: Injection site reactions : Redness, swelling, irritation, or discomfort Gastrointestinal symptoms : Nausea, vomiting, stomach cramps, or diarrhea Headaches or dizziness Allergic reactions : Rash, itching, shortness of breath, or facial swelling (rare) Increased heart rate or anxiety (typically temporary from B-vitamins) Fatigue or weakness if used improperly Elevated liver enzymes when taken in excess particularly with methionine or choline Insomnia if taken late in the day due to increased energy levels Who should avoid or use caution
PMCID: PMC1863555
Many practitioners combine these protocols for comprehensive body composition optimization
It signals the body to break down and release stored fat (lipolysis) without disrupting blood sugar
Description This Vitamin B6 shot (pyridoxine) is necessary for protein metabolism, energy production and normal nervous system function
Did the July 2026 FDA committee vote approve BPC-157