All articles tagged with #vitamins
A new cancer metabolism study suggests that a widely used vitamin supplement may be inadvisable for cancer patients, highlighting tumor metabolic vulnerabilities and the potential for therapies that account for cancer cells' metabolic flexibility.
A Daily Mail health piece warns that while many Americans take dietary supplements, taking too much can cause fatigue, gastrointestinal issues (like bloating and diarrhea), dizziness or headaches, heart palpitations, skin discoloration from beta‑carotene/vitamin A, and sleep disturbances. Experts note that excessive intake of vitamins such as D, B6, B12, C, magnesium, iron, and retinol can overload the body, with limits like vitamin D up to 4,000 IU/day and iron around 45 mg/day; reducing intake and watching for persistent symptoms is advised.
A Nature Medicine study of 958 older adults (average age 70) found that taking a daily Centrum Silver multivitamin–mineral for two years slowed biological aging by about four months across five epigenetic clocks; cocoa extract had no effect. Researchers caution that these early biomarker findings have not yet shown impacts on clinical outcomes and do not prove reduced disease risk.
Rising use of energy drinks—especially among teens—pairs high caffeine (100–300 mg per serving) with extra ingredients like B vitamins and plant extracts, but experts say there’s little scientific evidence these additives boost energy, focus, or fatigue reduction beyond caffeine.
Protecting and improving your gut microbiome, a diverse community of bacteria, fungi, and viruses in the gut, is crucial for digestive health, vitamin synthesis, and maintaining the intestinal barrier, with benefits extending beyond digestion.
An oncologist warns that daily synthetic multivitamins may increase the risk of various cancers by up to 30%, advocating for warning labels and reclassification of these supplements as drugs due to their potential to promote cancer cell growth by flooding the bloodstream with unnecessary nutrients.
To age gracefully, adults over 50 should focus on adding key vitamins and minerals like magnesium, B vitamins, calcium, vitamin D, omega-3s, and zinc to their diet, preferably after consulting with a healthcare professional, to support bone health, immune function, and overall well-being.
Certain nutrients like copper, iron, vitamin D, B12, and folate may help slow down or prevent premature graying of hair by supporting melanin production and hair follicle health, though dietary changes should be discussed with a healthcare professional.
Most healthy children do not need vitamin or mineral supplements if they have a balanced diet, as nutrients are best obtained from food. Supplements may pose risks if taken excessively and can undermine healthy eating habits. Parents should focus on offering a varied diet and consult healthcare professionals if deficiencies are suspected, especially in cases of medical conditions or restricted diets.
Watercress has been identified as the world's healthiest food due to its high nutrient content, including vitamins C, E, K, calcium, and antioxidants, making it a simple, affordable, and versatile addition to a healthy diet.
Certain vitamins like biotin, vitamin A, C, D, E, iron, and zinc can promote hair growth and improve hair health, especially if deficiencies are present. However, results depend on individual factors, and consulting a doctor is recommended before starting supplements. Hair growth vitamins are not overnight solutions and work best when combined with a healthy diet and lifestyle.
Taking too many vitamins and supplements can lead to health issues such as liver damage, heart problems, skin irritation, and neurological symptoms. Experts advise consulting a healthcare provider before starting or stopping any supplement, especially if you have underlying health conditions or are on medication. Be aware of specific signs like dark urine, dizziness, or chest pain, which may indicate toxicity or adverse reactions. Proper guidance and moderation are key to safely benefiting from supplements.
Taking too many vitamins and supplements can lead to health issues such as liver damage, heart problems, and neurological symptoms. Experts advise consulting a healthcare provider before starting or combining supplements, as they are not regulated like medications and can interact negatively with other drugs or conditions. Recognizing signs like dark urine, dizziness, or skin irritation is crucial to prevent harm, and transparency with your doctor is essential for safe supplement use.
Men with prostate cancer should avoid supplements containing vitamin E and selenium, as they may increase the risk of cancer progression. Fish oil's effects are uncertain, so it should be taken only if clinically indicated. A plant-based diet rich in fruits, vegetables, and healthy fats is recommended for better outcomes. Always follow your healthcare provider's advice regarding supplements and testing procedures.
Dr. Keith Roach advises men with prostate cancer to avoid vitamin E and selenium supplements, including those in Centrum Silver, due to evidence linking them to increased cancer risk. He recommends a plant-based diet rich in fruits, vegetables, and healthy fats, and suggests discontinuing these supplements without tapering. Additionally, he emphasizes following medical instructions regarding fasting before blood tests, as fasting provides more accurate results for certain measurements.