Effects of b12 and diet
It is possible that some of the dosage forms included below may not apply to the brand name Vitamin B12. Adequate Intake (AI): established when evidence is insufficient to develop an RDA and is set at a level assumed to ensure nutritional adequacy. As well as its needed effects, cyanocobalamin (the active ingredient contained in Vitamin B12) may cause unwanted side effects that require medical attention. When present, acneiform eruptions usually occur on the facial area after the first or second injection, and typically disappear within 8 to 10 days after stopping therapy. The etiology and pathogenic mechanisms of vitamin B12-induced acne are unknown. Pernicious anemia is an autoimmune disease that affects the gastric mucosa and results in gastric atrophy. If any of the following side effects occur while taking cyanocobalamin, check with your doctor or nurse immediately. Vitamin B12 functions as a cofactor for methionine synthase and L-methylmalonyl-CoA mutase. Note: This page contains side effects data for the generic drug cyanocobalamin. If pernicious anemia is left untreated, it causes vitamin B12 deficiency, leading to megaloblastic anemia and neurological disorders, even in the presence of adequate dietary intake of vitamin B12. Minor Side Effects Some cyanocobalamin side effects may not need any medical attention. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. All Consumer Professional Pill ID Interactions News FDA Alerts Approvals Pipeline Clinical Trials Care Notes Encyclopedia Dictionary Natural Products. The rash resolved upon discontinuation of both drugs and recurred upon rechallenge with half the doses.
Methionine is required for the formation of S-adenosylmethionine, a universal methyl donor for almost 100 different substrates, including DNA, RNA, hormones, proteins, and lipids. A single case of a severe skin eruption resembling acne rosacea that was temporally associated with daily ingestion of 100 mcg of B12 (with 100 mg of B6) has been reported. This material does not endorse drugs, diagnose patients, or recommend therapy. When synthetic vitamin B12 is added to fortified foods and dietary supplements, it is already in free form and, thus, does not require this separation step. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill, knowledge, and judgement of healthcare practitioners in patient care. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them. DRI is the general term for a set of reference values used for planning and assessing nutrient intakes of healthy people. For infants aged 0 to 12 months, the FNB established an AI for vitamin B12 that is equivalent to the mean intake of vitamin B12 in healthy, breastfed infants. Always consult a healthcare professional for medical advice. Table of Contents Introduction Recommended Intakes Sources of Vitamin B12 Vitamin B12 Intakes and Status Vitamin B12 Deficiency Groups at Risk of Vitamin B12 Deficiency Vitamin B12 and Health Health Risks from Excessive Vitamin B12 Interactions with Medications Vitamin B12 and Healthful Diets References Disclaimer. Vitamin B12 is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement and a prescription medication. Vitamin B12 is naturally found in animal products, including fish, meat, poultry, eggs, milk, and milk products. Vitamin B12 status is typically assessed via serum or plasma vitamin B12 levels. As your body gets used to the medicine these side effects may disappear.
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