Not sure if this is mostly from change in diet or from the injections on their own, but it seems to be helping so far
Adverse Reactions/Side Effects Vitamin B12 is known to be non-toxic even in high doses
Dial a small dose (usually 2 units or 0.02 mL, or as indicated by the package instructions) and push the button to expel the primer

Other adverse reactions reported in this study and considered clinically relevant were: swelling, irritation, redness Eye disorders: dysphagia, abdominal discomfort, vomiting, diarrhea, dyspepsia, hematochezia Gastrointestinal disorders: peripheral edema, chest discomfort General disorders and administration site conditions: allergic reaction Immune system disorders: memory impairment, dizziness Nervous system disorders: restlessness Psychiatric disorders: dyspnea, throat tightness, dry throat Respiratory, thoracic and mediastinal disorders: urticaria, pruritus Skin and subcutaneous tissue disorders: hot flush Vascular disorders: Experience In Known Or Suspected Cyanide Poisoning Victims Four open-label, uncontrolled, clinical studies (one of which was prospective and three of which were retrospective) were conducted in known or suspected cyanide-poisoning victims
May 04, 2023
Especially as we age, vitamin B12 is vital for brain health