Why Bioavailability Changes Everything When discussing supplements, the most important question is rarely "How many milligrams are in this?" and instead "How much of this is my body actually absorbing?" This concept is known as bioavailabilityhow well the body can actually absorb and use what it takes in
Depending on your needs, injections may be required every 8-12 weeks
Management of the condition often requires topical creams for effectiveness
You'll often see it paired with boosters like Ethylhexylglycerin
The diagnostic process typically involves: Clinical history taking, focusing on symptoms (fatigue, neurological changes, dietary habits) Physical examination for signs of anaemia or neurological impairment Blood tests including full blood count, serum B12, and often folate levels Additional investigations such as intrinsic factor antibodies or parietal cell antibodies if pernicious anaemia is suspected For borderline results, additional tests like holotranscobalamin (active B12) may be considered NICE guidance recommends that treatment should commence based on clinical presentation if neurological symptoms are present, without waiting for laboratory confirmation, as delays can result in irreversible nerve damage