There are 3 visits to our clinic over 3.5 months. Each visit is 1hr 30mins. There is also 1 phone call visit which lasts approx 10mins & a sample drop-off visit to our clinic which lasts a few minutes.
You must consume the Vitamin B2 supplement or placebo (non-active version) daily, for 3 months
You will be required to fill out a daily electronic diary to note your bowel habits, product consumption & any medication use.