Dairy Products: Milk, cheese, and yogurt contain B12

B12 has many functions in our body, so unfortunately a deficiency will give rise to a wide variety of symptoms, like brain fog, memory problems, cognitive impairment, insomnia, headaches, especially migraine, behavioural changes, learning problems, nominal aphasia, mood swings, irritability, depression, anxiety, hallucinations, delusions, psychosis, peripheral paraesthesia (pins and needles), numbness, neuropathic pains, poor balance, reduced vibration sense or proprioception (joint position sense), tinnitus, ataxia, taste impairment, sometimes myelopathy, fatigue, anaemia (either with larger red blood cells, or with normal size of the red blood cells when there is also iron deficiency), other reduction in blood cells, abdominal complaints, malabsorption, failure to thrive, weight loss, diarrhoea, hyperpigmentation, glossitis, (aphthous) stomatitis, infertility, urinary tract infections, joint and muscle pain, muscle weakness, spasticity, seizures, cardiomyopathy, urinary and/or faecal incontinence, postural hypotension/dizziness, erectile dysfunction, to name a few

Melanotan-II (MT2) 10mg Summary Description: Melanotan-2 is a synthetic cyclic heptapeptide analog of alpha-melanocyte stimulating hormone (?-MSH) and acts as a potent, nonselective agonist of melanocortin receptors, particularly MC1, MC3, MC4, and MC5
Personally I think I may have had a drop in my potassium levels as I cant think of any other reason for my symptoms