The most reliable diagnostic approach combines several complementary tests rather than relying on a single marker
The site added: When a higher dose of vitamin B is taken, people may suffer from indigestion, nausea or mild diarrhoea
However, genetic variants can alter the response in some people
What is the best day and time to take Wegovy
Seek medical advice if you experience: New-onset insomnia or significant sleep disruption that persists after starting B12 supplementation Paradoxical fatigue : Worsening tiredness despite taking B12, which may indicate an underlying condition requiring investigation Neurological symptoms : Tingling, numbness, balance problems, or cognitive changes, which could suggest B12 deficiency or other neurological conditions Mood changes : Anxiety, agitation, or depression that develops or worsens after starting supplementation Palpitations or rapid heartbeat : Though rare, some individuals report cardiovascular symptoms that should be evaluated It's important to note that sleep disturbances may be unrelated to B12 supplementation