During the darker winter months, many people turn to vitamin D supplements. Doctors now stress that certain symptoms can signal the body is getting too much.
Winter and sunlight
In winter, sunlight is limited, making it harder for the body to naturally produce vitamin D. This is why supplements are commonly used during colder months.
Official guidance
An NHS spokesperson has previously said that from October to March, people cannot make enough vitamin D from sunlight alone to support bone and muscle health.
Recommended intake
Adults are advised to take a daily supplement of 10 micrograms of vitamin D during the winter period.
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Importance of moderation
Like any supplement or medication, taking too much vitamin D can lead to unwanted health effects.
When to stop
Doctors urge people to stop taking vitamin D if certain symptoms appear, as these may indicate excessive intake.
Nausea and digestion
Symptoms such as nausea, burping or an upset stomach can occur after taking vitamin D, especially if it is not taken with food.
Type of supplement
Experts note that sprays and gummies may irritate the digestive system due to sweeteners, while standard tablets are often better tolerated.
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Thirst and urination
Too much vitamin D can disrupt the body’s fluid and salt balance, leading to increased thirst and more frequent trips to the bathroom.
Trouble thinking clearly
Headaches and brain fog can also be linked to excessive vitamin D intake, even though many expect the vitamin to improve these issues.
Bone and muscle pain
Pain in bones and muscles shortly after taking supplements can be a warning sign that the dose is too high.
Reducing discomfort
Drinking plenty of water and eating mineral rich foods may help ease symptoms linked to high vitamin D levels.
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Expert explanation
Biomedical scientist Tobias Mapulanga explained that symptoms such as thirst, nausea, headaches and aches can appear when people increase their intake or switch to sprays or gummies without monitoring dosage.
Sources: Unilad
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