vitamin b12 injections tractor supply 1 ml injection Vitamin B-12 Injection, 3,000 mcg/mL, 100 mL at dogs and horses as needed Used to help prevent and treat deficient levels of vitamin B Vitamin B-12 Injection, 3,000 mcg/mL
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Gastrin testing
And you dont have to buy a 3 month supply or have a membership fee
If several of these sound like you, it may be time to explore b12 injections for tiredness and weakness with a trained pharmacist

This vitamin acts as co-enzymes in nucleic acid synthesis