The central clinical idea: the liver depends on the methionine cycle and transsulfuration pathway to balance methylation, homocysteine disposal, glutathione production and sulfur metabolism

Contact your GP more urgently or seek same-day assessment if: Neurological symptoms are rapidly worsening You experience significant balance problems or difficulty walking Vision changes occur Severe weakness affects daily functioning You have used nitrous oxide and develop neurological symptoms Symptoms are accompanied by chest pain or severe breathlessness Call 999 or attend A&E immediately if you experience: Sudden severe chest pain or acute severe breathlessness Sudden vision loss Rapidly progressive neurological deficits Loss of bladder or bowel control Specific groups should be particularly vigilant: Vegans and vegetarians should discuss B12 monitoring with their GP, ideally before symptoms develop Patients on long-term metformin should request periodic B12 screening as advised by the MHRA Individuals taking PPIs or H2-receptor antagonists should discuss testing if symptoms develop Those with diagnosed gastrointestinal conditions should report new neurological symptoms promptly Pregnant or breastfeeding women with symptoms should contact their GP or midwife Those with a family history of pernicious anaemia should mention this when discussing symptoms Before your appointment , it is helpful to: Document symptom duration and progression List all current medications and supplements Note dietary habits, particularly animal product consumption Record any relevant family history GPs can arrange appropriate blood tests and initiate treatment where indicated

For help with reducing anxiety, a combination of L-theanine (400 mg per day) and the hormone pregnenolone (50 mg per day) is sometimes used
notes: firstly, if you are suffering from dry skin then add 1 tbsp of honey for the drink as it hydrates the skin
A patient with tennis elbow may benefit from BPC-157, but they still need grip-load management, eccentric or progressive tendon loading, and correction of repetitive strain