best injectable b12 The 9 Supplements, According to Dietitians We Asked RDs Which Vitamin

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It has been referred to as the anti-aging molecule because it helps promote longevity and is a key player when it comes to cellular energy

For external use on scalp only

An Epidemic of Too Much Vitamin B12 I started clinical practice over forty years ago, a time when vitamin B12 was considered a cure-all. Many people werent getting enough vitamin B12 from their diet unless they ate organ meats like liver and lots of fish and shellfish

Risk factors that should prompt consideration of B12 deficiency include advancing age (reduced stomach acid production), strict vegan or vegetarian diets, pernicious anaemia, gastrointestinal surgery (particularly gastric bypass or ileal resection), long-term use of certain medications (metformin, proton pump inhibitors, H2-receptor antagonists), nitrous oxide exposure (including recreational use), and conditions affecting the gut such as Crohn's disease or coeliac disease

But taking a B12 shot isn't necessary