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Can Cancer Patients Take Multivitamins?

Jul 31,2023 | YILING

Can Cancer Patients Take Multivitamins - Reasons Explained

   Can cancer patients take multivitamins? If you are still confused about it, get the answer on this page. Here, you can learn why cancer patients use multivitamins and why they do not use them.

   What Can Vitamins Do

   Before knowing can cancer patients take multivitamins, let’s know what Vitamins do. Vitamins, minerals, essential fats, and amino acids are important nutrients for our bodies. Varying amounts of these nutrients provide energy and promote body growth and repair. A balanced and varied diet is the best way to ensure a healthy supply of vitamins and minerals. Examples of these different nutrients are Vitamins A, C, D, and E, Essential fat, Minerals, Essential amino acids, Some plant compounds, etc.

   You may find that cancer or cancer treatment makes eating and drinking difficult. Alternatively, cancer may interfere with the absorption of some nutrients from food and drink. Therefore, levels of certain nutrients may be too low. This can cause discomfort. 

     Reasons Can Cancer Patients Take Multivitamins

Sometimes, your doctor may give a confirmed YES to the question can cancer patients take multivitamins, the reasons may be:

  1. Malnutrition

   In addition to side effects such as anorexia and nausea that are common with cancer, malnutrition is not uncommon. Talk to your doctor about this possibility. Some researchers theorize that supplements may help reduce cancer cachexia. Cachexia is a syndrome of unintended weight loss, muscle wasting, and loss of appetite that affects up to 50% of patients with advanced cancer. Cachexia is believed to directly contribute to 20% of cancer deaths.

  1. Prevent a Second Cancer

   Since cancer medicines such as chemotherapy and radiation treatment incline survivors to other cancers, it has been trusted that the hazard of a moment cancer can be decreased with the utilization of antioxidant supplements. As famous over, in one thing individuals with melanoma treated with selenium had a lower afterward chance of creating lung, colon, or prostate cancer.

  1. To Decrease the Toxicity of Treatments

   Studies have been mixed about antioxidants increasing or reducing the toxicity of chemotherapy, but some research suggests they may improve the quality of life for some people during cancer treatment. In one study, an antioxidant mixture containing vitamin C, vitamin E, melatonin, and green tea extract was found to decrease fatigue in people with pancreatic cancer.

Reasons Cancer Patients Not to Take Multivitamins

     When your doctor says No to the question Can cancer patients take multivitamins, there are still reasons. Here several reasons are listed:

  1. Possibility of impairing therapeutic effect

One of the main reasons why oncologists discourage vitamin and mineral supplements, and antioxidant supplements is that they can interfere with chemotherapy and radiation therapy. Free radicals in our body can damage the DNA inside our cells. This damage is called "oxidative damage" because oxygen is involved in the reaction. Antioxidants produced by our bodies and ingested through food essentially neutralize these free radicals and prevent oxidative damage. and protect the cells.

  1. Interaction with chemotherapy

   Some studies, especially among smokers, have shown worse results for those who take supplements. A 2008 study showed that vitamin C supplements in the laboratory reduced the effectiveness of chemotherapy on human leukemia and lymphoma cells by 30 to 70 percent.

  1. Vitamin C and hormone therapy

   A clinical study on human breast cancer cells found that vitamin C decreased the effectiveness of tamoxifen. These studies assumed that vitamin C interfered with cancer cells' apoptosis or cell death.

  1. Interactions with other drugs

There are many examples of possible interactions, but a simple one is that of vitamin E, which can increase the risk of bleeding in people taking the anticoagulant Coumadin. Interactions Affecting Blood Tests

   Some vitamins, such as biotin, can interfere with tests used to obtain laboratory test results. It's worth noting that biotin is included in many multivitamin supplements.


   Can cancer patients take multivitamins? The answer varies according to different situations. Admittedly, the vitamins may be helpful for cancer patients to speed recovery, but they also will bring about several side effects. It is highly recommended that you ask your doctor for advice. They will provide you with professional suggestions based on your unique situation. Suppose you are looking for effective cancer treatment, the Yangzheng Xiaoji Capsules is a great choice. It can be selected as a supplement treatment drug for cancer and is verified by various experts and organizations. Give it a try if you just searching for this kind of drug. But remember to be in line with your doctor’s order.