Against retinoids: GHK-Cu in the Abdulghani trial outperformed tretinoin without the irritation, peeling, and sun sensitivity that retinoids commonly cause
In contrast, children with autism spectrum disorders develop intestinal symptoms, such as constipation, abdominal pain and diarrhea [95, 112]
However, when symptoms occur, often due to the underlying condition rather than the elevated B12 itself, they may include 12 : Acne Headaches Anxiety Irregular heartbeats Trouble falling or staying asleep Nausea Fatigue Dizziness The symptoms of high vitamin B 12 are vague
But Im not sure you would say its secondary to some of the other ones that weve discussed because theres obviously some overlap here with healing and tissue repair
Why the off phase matters: the 2 month break preserves pituitary responsiveness across multiple cycles
Additional testing may include checking for intrinsic factor antibodies and parietal cell antibodies, which can help confirm an autoimmune cause
