I'm prone to feeling blue in the winter months, but thankfully—as I often test products for Fit&Well—I have access to some of the best vitamin D supplements on the market.
My favorite by far is HUM Here Comes the Sun, which features in our guide to the best vitamin D supplements as the top option for vegans.
Unfortunately, not many vitamin D supplements are suitable for vegans, because they rely on animal-based sources of vitamin D3 such as the skin of fatty fish or lanolin from sheep’s wool.
While some plants and fortified plant-based foods contain small amounts of vitamin D, this tends to be D2 and research suggests that vitamin D3 is more important for supporting healthy levels of vitamin D.
D3 is more bioavailable, which mean that it is easier for the body to use and circulate. D3 actually increases vitamin D levels almost twice as much as D2. With this in mind, the vitamin D offering from HUM is a great choice if you're on a plant-based diet.
While trawling for deals, I noticed that HUM has a sitewide 30% off sale over the Black Friday weekend. However, when I looked on Amazon, I saw that the deal was even better, with Here Comes the Sun discounted by 36%. Other retailers have discounts, but the deal on Amazon was the best one I could find.
Dosage
Each pot contains 30 vegan soft gels, which hold 2,000 IU of vitamin D. Bear in mind that you might want to be careful if you’re taking them in combination with a standard multivitamin, as some of these can contain similar levels of vitamin D, which may push you near to the upper limit of 4,000 IU per day, and well beyond the recommended 400 UI advised by the NHS.
The US vitamin D dosage advice is slightly different, with the NIH recommending 600 IU per day for adults as a minimum and 4,000 as a maximum.
Most governments advise that those in the northern hemisphere take a vitamin D supplement from September through to April to combat the lack of sunlight (which is where we get most of our vitamin D) through winter. Vitamin D is one of the most common vitamin deficiencies, especially for those who work indoors or wear clothes that fully cover their skin.
You should also be careful not to take too much, as consistently taking more than the recommended dosage of vitamin D can cause calcium to build up in your body, which is known as hypercalcemia.
Why do we need vitamin D?
Vitamin D is important for immune support. It can also prevent secondary issues caused by vitamin D deficiency, such as bone loss and heart disease, as vitamin D aids in the absorption of calcium and phosphorus.
In children, vitamin D deficiency can lead to a condition called rickets, where the legs bow outwards, which can affect mobility.
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