The foods highest in vitamin B12 are: Organ meats, such as beef and chicken liver Wild-caught fish, including salmon, herring, mackerel, tuna, trout and sardines (also great sources of other vital nutrients, like omega-3 fatty acids) Organic dairy products, including probiotic-rich yogurt or raw milk Pasture-raised poultry, including turkey or chicken Grass-fed beef and lamb When its not possible to get enough vitamin B12 from your diet, perhaps due to genetic conditions or taking necessary medications, someone might choose to boost intake of vitamin B12 in several ways other than receiving injections
[1] The shuttle is regulated at the CPT-I level, being inhibited by malonyl-CoA from beta oxidation, preventing a futile cycle
Food supplements should not replace a varied diet and healthy lifestyle
Cyanocobalamin can lead to optic nerve damage and possibly blindness in people with Lebers disease
Intramuscular and intravenous delivery bypasses the gastrointestinal tract, achieving significantly higher bioavailability than oral supplementation, making injectable micronutrients a clinically effective option for patients with confirmed or suspected deficiency, malabsorption conditions, or chronic illness