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
Individuals with excess methylation often do not do well with this form
This creates a concentration of 2,500 mcg/mL (2.5 mg/mL)
Injection Site Reactions: Pain, redness, or fibrosis (hardening) at the injection area are among the most reported local reactions following subcutaneous or intramuscular administration