Feeling Nauseous After Taking Nutritional Supplements: What to Do? - Nutrition

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Feeling nauseous after taking nutritional supplements?


The mother (55 years old) has been taking Fortified Calcium (Wyeth, Taiwan) for two days, both times after meals, and has taken Tonilife on an empty stomach in the morning.
She has experienced dizziness and nausea.
Should she stop taking it?

Miss Tang, 30~39 year old female. Ask Date: 2011/02/08

Dr. Xie Peiru reply Nutrition


Hello Ms.
Tang: Based on your description, the ingredients in the calcium supplement and NuLiHuo are unlikely to significantly increase the chances of dizziness and nausea.
However, your mother may have other factors at play, such as underlying diseases, individual constitution, or imbalances in blood biochemistry, which could contribute to these symptoms.
It is advisable to discontinue use and consult with a physician and a nutritionist to evaluate the appropriate dosage for your mother before resuming.
Since dietary supplements on the market are often chemically synthesized and may contain higher dosages, careful assessment is necessary before consumption.
Wishing you good health! Qi Medical Nutrition Department

Reply Date: 2011/02/08

More Info


Feeling nauseous after taking nutritional supplements can be a common issue, especially for individuals who may not be accustomed to certain ingredients or dosages. In your mother's case, experiencing dizziness and nausea after taking a calcium supplement, particularly after meals, raises a few considerations.

First, it’s important to assess the specific supplement being taken. Calcium supplements, especially when taken in high doses or without adequate hydration, can sometimes lead to gastrointestinal discomfort, including nausea. Additionally, if the supplement contains other ingredients, such as vitamin D or magnesium, these could also contribute to her symptoms.
Here are some steps to consider:
1. Stop the Supplement Temporarily: Given that your mother has experienced these symptoms consistently over two days, it would be wise to stop taking the supplement for now. This will help determine if the supplement is indeed the cause of her nausea and dizziness.

2. Consult a Healthcare Professional: It’s crucial to consult with a healthcare provider, such as a doctor or a registered dietitian, before resuming any supplements. They can evaluate her symptoms in the context of her overall health, dietary intake, and any other medications she may be taking. This is particularly important for someone her age, as they may have specific health considerations.

3. Review Dietary Sources of Calcium: If your mother needs to increase her calcium intake, consider dietary sources instead of supplements. Foods rich in calcium include dairy products (like milk, yogurt, and cheese), leafy green vegetables (such as kale and broccoli), and fortified foods (like certain cereals and plant-based milk). This approach can help her meet her nutritional needs without the risk of supplement-related side effects.

4. Hydration and Timing: If she resumes taking the supplement, ensure she is well-hydrated and consider taking it with food to minimize gastrointestinal discomfort. Some individuals find that splitting the dose throughout the day can also help reduce side effects.

5. Monitor for Other Symptoms: If she continues to experience nausea or dizziness after stopping the supplement, it may be indicative of another underlying issue. Monitoring her symptoms and discussing them with a healthcare provider will be essential.

6. Consider Alternative Supplements: If calcium supplementation is necessary, there are various forms available (such as calcium citrate, which is often easier on the stomach than calcium carbonate). A healthcare provider can recommend a suitable alternative that may be better tolerated.

7. Evaluate Overall Nutritional Needs: It’s also a good idea to assess her overall nutritional status. Sometimes, nausea can be a sign of deficiencies or imbalances in other nutrients. A healthcare provider can help with this evaluation.

In summary, while nutritional supplements can be beneficial, they are not without potential side effects. Stopping the supplement and consulting with a healthcare professional is the best course of action for your mother. Additionally, focusing on a balanced diet rich in natural sources of nutrients can often provide the necessary vitamins and minerals without the risk of adverse effects associated with supplementation.

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