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giving a b12 injection in the arm Safe Guide at Home Vitamin B12 Injection Sites: All
Description
Genet Mol Biol

The most common side effects are gastrointestinal, including nausea (occurring in 20-30% of patients), diarrhea, vomiting, constipation, and abdominal discomfort

and as my results were low see dr surely that should mean I need it

5-Amino-1MQ Specifications The 5-Amino-1MQ research compound is supplied in laboratory-grade format intended for analytical and documentation-oriented use within research settings

Infantile B12 deficiency is characterized by developmental delay, sparse hair, hyperpigmentation, and tremors (135)
