do b12 injections have any side effects Always Tired? Deficiency and Fatigue Peptide hormone AHK-Cu 200mg | High-Purity Specification:5 mg vial

do b12 injections have any side effects Always Tired? Deficiency and Fatigue Peptide hormone AHK-Cu 200mg | High-Purity Specification:5 mg vial

AHK-Cu 200mg | High-Purity Copper Tripeptide-2 Research Vial

At Nar London, we use a medical-grade B12 and we recommend 4 sessions with one shot a week

Peptide hormone

Specification:5 mg vial

As we all know, ten years later we are still all relying on the same low sensitivity B12 serum test and there is limited availability to other tests as recommended in the 2024 NICE Guideline, which are also not a good and reliable indicator of B12 deficiency without considering symptoms and risk factors