However, the NHS do recommend that people take a vitamin D supplement ... all patients with Covid-19 lose their sense of smell (anosmia) and with it their ability to taste food.
Matt Webb said he had to sleep for two days and ached all over if he attempted anything while suffering long Covid An ambulance ... taking a daily probiotic and food supplement had been "life ...
This could be relevant in very ill coronavirus patients ... no individual nutrient, food or supplement is going to "boost" it beyond normal levels. It's difficult to get enough vitamin D from ...