b12 injection how long before it works Injections: Who Should Get Them and Do They Last? Vitamin B12 Injections: Good or

Seek urgent medical attention (via NHS 111 or 999 in an emergency) if you experience severe or persistent abdominal pain, persistent vomiting, signs of dehydration (such as dizziness, reduced urination, or extreme thirst), or symptoms suggestive of low blood sugar (such as shakiness, sweating, or confusion)

For some people, an injection makes more sense because it makes nutrients such as vitamin B12, other B vitamins and magnesium much more available

It is often recommended for people with a deficiency or absorption issues

Experts recommend that patients take specific B12 supplements with about 1,000 micrograms daily for effective results