Preparation steps: Wash your hands thoroughly with soap and water for at least 20 seconds Check the medication label to verify the correct drug, dose, and expiration date Inspect the medication for clarity (appearance should match the description in your product's IFU) Do not use if the solution appears cloudy, discolored, or contains particles Check that your device is not damaged If using a pen device, attach a new needle according to the IFU (some devices come with pre-attached needles) Never share your pen or autoinjector with another person, even if the needle is changed Injection procedure: Sit in a comfortable position where you can easily access your thigh
However, many claims about the impact of MTHFR are inflated
(PubMed) Franke B, Vermeulen SH, Steegers-Theunissen RP, et al

Intensive healing protocol Dose : 500mcg twice daily Frequency : Morning and evening Duration : 4-6 weeks 5mg vial supply : 5 days per vial (10 doses at 500mcg) Need 6-8 vials for complete protocol Total cost: $150-320 Best for : Serious injuries Chronic issues Athletic recovery Stubborn problems not responding to lower dose Conservative protocol (budget or testing tolerance) Dose : 250mcg once daily Frequency : Evening before bed Duration : 6-8 weeks 5mg vial supply : 20 days per vial Need 2-3 vials for complete protocol Total cost: $50-120 Best for : Budget-conscious users Testing tolerance Mild issues Gut healing focus Intensive short-term protocol Dose : 500mcg three times daily Frequency : Morning, afternoon, evening Duration : 2-4 weeks 5mg vial supply : 3.3 days per vial Need 4-8 vials for complete protocol Total cost: $100-320 Best for : Acute injuries Competition prep Rapid healing needed Can handle frequent injections How long does a 5mg vial last

Different peptides may have different optimal storage locations within your refrigerator
doi: 10.1016/0014-5793(88)80509-X