Cellular Research Pentadecapeptide derived from a protective sequence in human gastric juice
The dose is usually 1,000 mcg
It suggests to me that you were given it when you didn't need it and if this is the case I'm not surprised at your skin's reaction
Vitamin B12 dosage The average recommended daily amounts, measured in micrograms, vary by age: Infants up to age 6 months: 0.4 micrograms Babies aged 7-12 months: 0.5 micrograms Children aged 1-3 years: 0.9 micrograms Kids aged 4-8 years: 1.2 micrograms Children aged 9-13 years: 1.8 micrograms Teens aged 14-18 years: 2.4 micrograms Adults (19+ years): 2.4 micrograms Pregnant: 2.6 micrograms Breastfeeding: 2.8 micrograms Vitamin B12 foods You can get vitamin B12 from animal products, which have it naturally, or from foods that have been fortified with it
A review of case studies reported that intravenous administration of 16 mL vitamin C, 5 mL magnesium, 4 mL calcium, 2 mL B6, and 1 mL each of B12, B5, and B complex improved migraine headaches (51)