How long does my NHS discount last? Once you activate your discount it will be valid on your account for 6 months, after that we’ll ask you to reverify it. Related articles How much discount do I get with my NHS registration? How Does Your NHS Discount Work? Can I share this with my NHS colleagues? What happens if I want to cancel my collection order? Some customers with eating disorders can find calorie information troubling, do you have any options for them?