Drug Side Effects
A reader finds that taking metformin results in vitamin B12 deficiency with effects on eyesight. Ask the prescriber to check on your vitamin status.
Drug Side Effects
When sunshine is limited, you may need vitamin D3 pills to bring your level of this hormone up to normal. However, some people report digestive symptoms.
A serious vitamin B12 lack due to PPI medication, vegan diet, or stomach inflammation can cause trouble with balance, cognition and fatigue.
Many people take biotin for strong nails, although there is limited scientific support for this use of the supplement. Can biotin interfere with tests?
A possible vitamin B12 deficiency could explain depression linked to metformin for blood sugar control. An additional supplement might help.
Symptoms of a vitamin B12 deficiency may mimic senility, with poor concentration, constipation, balance problems and tingling or numbness in hands or feet.
A meta-analysis in JAMA Cardiology shows no benefit from vitamin D supplements for heart disease. This is the latest in a series of such disappointments.
Older people are at risk for vitamin B12 deficiency, which can lead to cognitive difficulties. Certain medications and a vegetarian diet increase the risk.
The best source for vitamin D is the one that is available. That might be sunshine, or it might be supplements. Magnesium and vitamin K2 are also useful.
Even though vitamin D can be used as rat poison, that doesn't mean all supplements are risky for people. Get the right dose.
Millions of people are deficient in vitamin D. Without a blood test you wouldn't know if you are one of them. What about too much vitamin D? Is it a danger?
If your vitamin D level is low, you can use magnesium to boost vitamin D. You might also need to take supplemental vitamin D.
Do you need to take supplements to get adequate vitamin D? People who live in northern regions may need supplements during the winter.
A study of vitamin D supplements demonstrated that these pills do not protect people from heart disease or cancer.
In the VITAL trial, vitamin D strikes out for preventing heart disease and cancer. Are such supplements completely useless?
Don't count on vitamin D and calcium pills to keep your bones strong. Make sure you get plenty of green veggies in your diet and spend some time in the sun.
Spanish researchers found that rheumatoid arthritis patients with low vitamin D levels have more involved joints and more joint pain than those with adequate levels.
A study from New Zealand showed no reduction in the chance of cancer for people taking pills with 100,000 IU of vitamin D each month.
Have you ever been tested for vitamin B12? Do you know the symptoms of a deficiency? This nutrient is essential for good health. Several drugs can lead to low levels. Are you taking one?
Those who cannot get adequate vitamin D from sun exposure should take vitamin D pills. Scientists have not yet determined, however, if such supplements can protect people from cancer.