https://www.healthystart.nhs.uk/ check out this site to see if you qualify for these weekly vouchers. You could qualify if your on benefits or you're pregnant and under 18. Please note if you already receive milk tokens through the Welfare Food Scheme, you should automatically get the Healthy Start vouchers instead. There is a link on the site to find out where you can redeem these vouchers. Check if you qualify; https://www.healthystart.nhs.uk/en/qualifier/index.asp
I have these from my sis I pay her a fiver,she is too embarrassed to use them I say stuff that its worth it