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by Sunna van Kampen on December 14, 2021

Vitamin D’s billing as a Vitamin is factually incorrect as it is a hormone and it's also why so many health professionals are concerned that we are not getting enough.

The following are indicators that you could do with upping your vitamin D intake:

  1. You frequently feel tired

Day-to-day tiredness and fatigue are extremely common. Furthermore, the potential causes – including, but not restricted to, stress, sedentary living and not getting sufficient high-quality sleep – are so wide-ranging that you might initially overlook vitamin D deficiency as a possible culprit.

There have been a fair few studies down the years suggesting a link between inadequate vitamin D and fatigue, though. An observational study of Iranian nurses, for instance, found a “significant relationship” between the two, while one case study in 2010 involving a 28-year-old woman with chronic daytime fatigue, found that her symptoms resolved when she took a vitamin D supplement.

  1. Your wounds heal slowly

If you’ve had surgery or injured yourself lately, it’s worth considering whether low vitamin D levels could be at fault. Indeed, the results of a test-tube study published in 2016 indicated that “supplementation of vitamin D may be an important step to improve wound healing and regeneration in patients with a vitamin D deficiency.”

That was due to the researchers discovering that upping vitamin D intake seemed to also heighten the production of compounds that are key to the formation of new skin as wounds heal.

  1. You suffer from hair loss

Several links have been made in studies between vitamin D and hair loss, most specifically with regard to female hair loss and the autoimmune condition alopecia areata.

There are a lot of factors that can lead to hair loss, of course, including stress. However, in more severe cases, nutrient deficiency is certainly a possibility well worth investigating.

  1. You experience depressed mood

While there is some ambiguity with regard to the link between vitamin D and depression – observational studies often showing more of a connection than controlled trials, which carry greater scientific weight – it seems some links do exist that we shouldn’t dismiss out of hand.

A 2019 review summed this up, stating that while “the data regarding the relationship between vitamin D and depression are conflicting... depressive symptoms could be eased in people with very low levels of vitamin D through vitamin D supplementation.”

  1. You have back or bone pain

Vitamin D’s association with bone health is rather better known than its link with tiredness. So, it shouldn’t surprise you to learn that research has also uncovered a “positive association of vitamin D deficiency with a variety of nonspecific bone pain, particularly in women.”

That particular study indicated that vitamin D deficiency almost doubled the likelihood of bone pain in the legs, ribs or joints. Multiple studies – such as this one that looked at postmenopausal women – have also pointed to back pain occurring more often among those deficient in vitamin D.

  1. You often have achy muscles

As we touched on above, vitamin D has a reputation for being good for the muscles, as is supported by various studies. This one in 2015, for example, found that more than 86% of the participating children with growing pains had insufficient vitamin D, but that a single dose of the vitamin greatly helped to reduce their pain scores.  

Other research, in 2014, looked at 174 patients with a mean age of 48, all of whom suffered from chronic pain, with 71% of them discovered to be deficient.

  1. You seem to be unwell a lot of the time

We’ve written previously on the Tonic Health UK blog about how vitamin D supports the immune system. Indeed, it has been noted previously by researchers that it can play an important role in anti-inflammatory response and the regulation of immune function; by contrast, being deficient in vitamin D has been linked to chronic disease.

Other studies have suggested that vitamin D deficiency may worsen the severity of respiratory tract infections, including pneumonia

So, if you’ve not exactly been feeling on top form lately, it’s well worth considering upping your vitamin D levels and in winter the only place you'll find it in food is either in livers, egg yolks, and salmon. Mushrooms can sometimes be billed as high in Vitamin D but you'd need to be eating them all day to really get enough. So, it might be time for a high dose Tonic

It’s pretty understandable why so many of us feel the need to start the day – or indeed, finish it – with a cup of coffee. 

But could your routine caffeine fix be compromising your efforts to live healthily? In particular, much emphasis has been placed on the adverse effects caffeine may have on the body’s absorption of vitamins and minerals. Read on to find out more.

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