His contributions to discussions and debates on the challenges facing B12 deficient patients and those with Pernicious Anaemia are highly valued amongst patient advocacy groups like the Pernicious Anaemia Society.
They both show up in conversations about peptide-based weight loss
Its essential for the upkeep of various organ systems, cellular metabolism, and brain functions, plays a critical role in energy metabolism, immune function, and nerve health
These include how bad the symptoms are, any other health issues, and how well the body absorbs B12

Bariatric surgery Delivery-related blood loss Celiac disease Gastrointestinal blood loss GLP-1 RA medication use Increased Nutrient Needs During Pregnancy & Postpartum Inflammatory bowel disease Malabsorption Menopause & Aging Menstrual cycle MTHFR gene variants Pregnancy Reduce dietary intake from elimination diets Subclinical gut inflammation Signs & Symptoms Brain fog (e.g., iron deficiency) Cheilitis (e.g., riboflavin [B2] deficiency) Constipation (e.g., vitamin B6 deficiency) Fatigue (e.g., vitamin D deficiency) Glossitis (inflammation of the tongue) (e.g., vitamin B12 deficiency) Hair changes (e.g., biotin deficiency) Irritability (e.g., magnesium deficiency) Mouth ulcers (e.g., folate deficiency) Muscle cramps (e.g., magnesium deficiency) Nail changes (e.g., zinc deficiency) Numbness and tingling (e.g., vitamin B12 deficiency) Rashes (e.g., niacin [B3] deficiency) GutsyRx: Your Partner in Gut-Micronutrient Nutrition At GutsyRx, we guide women in optimizing their vitamin and mineral intake through a gut-health-focused approach

If you feel drained no matter how much you sleep, and losing weight is harder than it should be, low vitamin B12 could be playing a role