l carnitine for muscle pain Pharm L-Carnitine 3000, The Ultimate Liquid Supplement High-Performance, Supports Metabolism, Hydration & Energy, Zero Sugar, Low Calories, Peach Nectarine Flavor, 32 Servings : Everything Else L-Carnitine - 150 g drink

Perhaps have a read of this: pernicious-anaemia-society

Aug 29 2013;8(1):22

Some individuals carry genetic variants associated with heightened sensitivity to these peptide signals, potentially enabling meaningful results at lower doses, while others may require higher doses to achieve the same receptor activation and metabolic response

Benefits of IM Shots May Include: Replenished essential nutrients Improved daily energy and stamina Sharper mental clarity and focus Enhanced athletic recovery and performance Faster administration than IV drip therapy Our Intramuscular Treatments What to Expect During Your Intramuscular Shots Session Service Duration About 5 minutes How Often to Use Intramuscular Shots Varies based on your wellness goals and ingredients Get the Benefits of High-Impact NutrientsFast Intramuscular (IM) shots deliver vital nutrients directly into your muscle tissueoffering a rapid, efficient alternative to IV therapy