had b12 injection but still tired My Opinion on shots for post COVID Fatigue Feeling worse after B12 Injection:

Only 18% of people felt they got all the answers to questions about their care from healthcare professionals

There are many vitamin B12 injection products worldwide

Vitamin B12 might be the ally you need to speed up your recovery

Sterile Bac Water

B12/MIC is generally well-tolerated and can be safely combined with other treatments like Metformin, NAD+, LDN, and longevity supplements

Among products NOT APPROVED APPROVED for quality in our tests (including seven tested through our voluntary Quality Certification Program), we identify CL's which also represent excellent value for your money for Top Picks, B-Complexes and for the specific B vitamins Thiamin, Riboflavin, Niacin, Pantothenic Acid, B-6, Biotin, Folate, and B-12 , as well as for Benfotiamine (a thiamin derivative)