is 4.5 mg ghk-cu too much daily Dosage: A Doctor's Guide to Calculations, Mixing & Safety GHK-Cu Dosage Calculator | Perfect

I just use a single 23g for each injection

In Summary Supports red blood cell production - Better oxygen delivery and endurance Essential for nerve and muscle function - Reduced injury risk and quicker recovery Vital for brain function - Improves focus and reaction time Risk of deficiency is higher in plant-based athletes Testing ensures you're not leaving performance on the table Test your Active B12 levels regularly it's a simple step that can make a big difference to your training, recovery and results

Vitamin B12 is best known for boosting energy and supporting red blood cells, but it also plays a key role in histamine breakdown

Vitamin B12 is a water-soluble vitamin, meaning the body excretes any excess through urine rather than storing it

Bull Exp Biol Med 2003;135:4958