There are lots of food that can provide you with vitamin D, including fatty fish like tuna, salmon, and mackerel; dairy products, soy milk, orange juice, and cereals.
However, it is very difficult to get the recommended daily amount of vitamin D through your diet alone.
The NHS recommends people in the UK should take a 10 microgram supplement per day, but don’t exceed 100 micrograms (4,000 IU).