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Higher Doses: The concentration of vitamin B12 in an injection can be much higher than what can be absorbed orally

Absorption differences: injection vs topical Subcutaneous injection absorption: Rapid absorption into bloodstream Peak plasma concentration: 15-30 minutes 80-90% bioavailability Reaches target tissues quickly Systemic distribution Topical application absorption: Slower penetration through skin barrier Peak tissue concentration: 1-3 hours 5-15% bioavailability (most doesn't penetrate) Primarily local effects (skin where applied) Minimal systemic exposure Absorption comparison table: Why injection more effective: Direct systemic delivery Reaches all tissues Predictable dosing Lower total dose needed Better for body-wide effects When topical makes sense: Face/neck cosmetic use only Avoiding injections Already using skincare routine Combining both approaches (injection + topical) See our GHK-Cu 50mg copper peptide dosage guide for injection protocols

Our compounded version pairs it with B12 to support energy levels during weight loss

An IV catheter insertion should feel like a quick pinch

Regarding your diet - yes, I have also cut out red meat, seafood, coffee, anything too sugary, although I must admit I'm still eating chicken (in smaller portions)

Thank you Hi Suesue Apologies I meant to reply to you