Age: Older adults produce less stomach acid, making it harder to absorb B12 from food
Common signs include: Chronic hives Itching Gastrointestinal distress (bloating, diarrhea, food intolerances) Brain fog Mood swings Anxiety Fatigue that doesnt improve with rest Rapid heart rate Blood pressure fluctuations Allergy-like reactions in the absence of known allergens If this sounds like your experience, it could be time to speak to an MCAS doctor who understands how to help
Researchers have reported that GHK influences the activity of a strikingly large number of genes in lab models, and that our natural levels drop meaningfully with age (from roughly 200 ng/mL in plasma around age 20 to about 80 ng/mL by age 60)
This metabolic switching is regulated by sirtuins, namely SIRT3 and SIRT2 repress the Warburg effect 342,343,344,345 , while SIRT5 maintains glycolysis 346
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