Is 1000iu the right strength for me?
It is the usual default for an adult and a sensible starting point. Your GP can advise if you have particular reason to take more or less.
What is the difference between D2 and D3?
D3 is the form the body makes in sunlight and is better used. D2 is the plant-derived form.
Is there a vegan vitamin D3?
Yes – lichen-sourced D3. Most ordinary D3 comes from sheep's wool, so look for the vegan version specifically.
Can I take this alongside a multivitamin?
Check what the multivitamin already contains. Vitamin D is fat soluble and accumulates, so avoid stacking several products.
