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Orders, subscriptions and more.
The questions we're asked most. Everything else is in the full FAQ.
See all FAQsCan I change, pause or cancel my subscription?
Yes. Manage your subscription from your account: see upcoming orders, change your plan or cancel. Full terms are in our Subscription Policy.
How long does delivery take?
UK delivery is free, and orders ship within 24 hours. You'll get a tracking link by email as soon as your order is fulfilled.
Is there a money-back guarantee?
Yes. The 3-Month Supply comes with a 90-day money-back guarantee. Get in touch using the form below and we'll take it from there.
Can I buy once instead of subscribing?
Yes. Choose one-time purchase on the product page. A subscription is the easiest way to keep the routine going, but it's never required.
Can I take 4VIA with medication?
Speak to your doctor first if you take medication or have a medical condition, especially anticoagulants such as warfarin (Intelligent Systems Nutrition™ contains vitamin K2). 4VIA isn't suitable during pregnancy or breastfeeding, or for under-18s.
Is 4VIA vegan? What about allergens?
Yes, 4VIA is vegan. Intelligent Systems Nutrition™ contains wheat (wheat germ extract) and soy-derived ingredients, and every batch is tested for gluten, below 20 mg/kg.
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