A study comparing ID and subcutaneous (SC) delivery of radiolabeled vitamin B12 in rabbits found that while the bioavailability was slightly higher for the SC route, the Tmax (time to reach maximum concentration) was almost identical for both methods
If you've been through diet after diet without results, Lipo-B12 injections can help
Further detail about this, if you like that sort of thing: These pharmacies are generally certified through the Pharmacy Compounding Accreditation Board (PCAB)
This phase is also where visceral fat reduction becomes measurable

You should contact your GP if: You have been found to have elevated B12 levels on blood tests, particularly if levels exceed 1000 ng/L (approximately 740 pmol/L, though laboratory reference ranges vary) and you are not taking high-dose supplements You develop new symptoms after starting B12 supplementation, including persistent skin rashes, significant gastrointestinal disturbance, or unexplained symptoms You have underlying liver disease, kidney problems, or blood disorders and are considering B12 supplementation You are taking B12 supplements without medical supervision and have not had your levels checked, particularly if taking doses exceeding 2000 micrograms daily You experience symptoms that might indicate underlying disease, such as unexplained weight loss, persistent fatigue, jaundice, or abdominal swelling Call 999 or go to A&E if you develop severe allergic reactions following B12 injections, including difficulty breathing, facial swelling, or widespread rash, as these may indicate anaphylaxis, though this is extremely rare

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