For the most part, AOD-9604 is considered to be safe and well tolerated, with few side effects being reported in research studies

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

Polymethyl methacrylate (PMMA, and the active ingredient in Bellafill) microspheres are a synthetic compound
If B12 blood levels and MMA are both high, a functional B12 deficiency could be preventing B12 being useful at cell/tissue level
The product remains in the skin for around 28 days and during this time it encourages the stimulation of 4 different types of collagen and elastin Thread lifts tighten your skin by inserting medical-grade thread material into the face and then pull the skin up by tightening the thread