Orders are usually dispatched within 1–2 working days after payment confirmation.

Delivery is fulfilled via Amazon Multi-Channel Fulfilment (MCF) and typically takes 1–2 business days (Tracked & Express Delivery) after dispatch.

Shipping charges are automatically calculated at checkout based on Amazon MCF’s live rate—orders under £30 cost approximately £4.47 per box (subject to live rate adjustments). Orders of £30 or more enjoy Free Tracked & Express Delivery. For full details, please see the Shipping policy.

Currently, we only deliver to UK addresses. We do not ship to PO Boxes, BFPO addresses, or international destinations.

Yes. Once dispatched, you will receive a tracking email with your parcel’s delivery updates. You can also use the tracking number provided to follow your order status online through this portal.

Yes. You have a 14-day cooling-off period from the day of delivery to request a return.

As our products are food supplements, returned items must be unopened, unused, and in their original packaging. Customers are responsible for return postage in such cases. Once your return is received and verified, we will issue a refund for the product price and any original delivery charge.

We sincerely apologise for any inconvenience. Please contact us within 30 days of delivery with a description and photo of the issue. Once verified, our team will provide the best resolution — this may include a replacement, reshipment, or refund. If a return is required, we’ll send you a pre-paid return label and cover the cost of return postage.

Please visit our Return Portal, enter your order details, and follow the on-screen instructions.

(Note: For change-of-mind returns within the 14-day cooling-off period, products must remain unopened and unused in their original packaging. Customers must follow the return label instructions carefully to ensure smooth processing.)

When will I receive my refund? 

Approved refunds are processed via your original payment method within 14 days after inspection or confirmation. You’ll receive an email once your refund is complete. For full details, please see the Refunds section in our Terms of Service.

Yes. You’ll need to register using your email address before placing an order. Our store uses Shopify’s password-free login, allowing secure, quick, and convenient access. Each time you log in, a one-time access code will be sent to your email — no passwords to remember.

Once you register an account, you’ll automatically join the G-NiiB Rewards Programme.

Click the Rewards button (bottom-left of the website) to view your G-Credits balance, redeem coupons, or take part in activities to earn more credits.

You’ll earn 1 G-Credit for every £1 spent. You can also complete bonus activities to earn extra credits. Details can be found via the Reward button on our website.

Once you’ve collected enough credits, you can exchange them for discount coupons by clicking the Reward button on our website → Redeem G-Credits.

Click the Reward button on our website → My Coupons → Available Coupons, select to use your coupon, and the system will automatically apply it at checkout.

Yes, you can. Please note that each order must have a total pay amount of £30 or more to qualify for free delivery. For details, please refer to our Shipping policy.

During the promotional period, G-Credits will not expire. You can stay tuned with our website or social media pages (@gniibuk) for any updates. You can also subscribe to our newsletter at the bottom of the page to receive updates and earn G-Credits.

Sorry, G-Credits and redeemed coupons cannot be transferred between accounts. However, you may use your coupons to purchase gifts for friends or family.

A Member Referral Programme will be launched soon. You may later refer your friends or family to try G-NiiB products with an extra discount— stay tuned via our website and social media pages for updates.

If your order is cancelled, the used coupon cannot be reinstated, but the G-Credits used to redeem it will be refunded to your Rewards account.

Yes. When purchasing a G-NiiB 28-day pack, you can choose between a One-Time Purchase or a Subscribe & Save option.

With Subscribe & Save, your chosen product will be delivered automatically at regular intervals without hassles or missing your dosage. You’ll also receive subscription discounts — 8% off your first three subscription orders, and 20% off all subsequent deliveries until you cancel your subscription.

As G-NiiB products are designed for 28-day usage, you can choose to receive your order every 4, 8, or 12 weeks.

Yes. You can cancel at any time without extra charges. We recommend cancelling at least 2–3 working days before your next renewal to ensure the cancellation is processed before dispatch.

No. You can cancel at any time without extra charges. We recommend cancelling at least 2–3 working days before your next renewal to ensure the cancellation is processed before dispatch.

Click the account icon (top-right of the website) and log in using your registered email.

Go to Manage your subscription → View subscription history, where you can adjust, pause, or cancel your subscription.

Please make any changes at least 2–3 working days before your next scheduled order.

Yes. Your payment is processed safely through trusted providers such as Shopify Payments, Shop Pay, Apple Pay, Google Pay, or PayPal.

All transactions are encrypted and handled securely — we never see or store your card details.

Shopify Payments and its supported wallets follow the highest standards of online payment security.

Learn more at 👉Shopify Payment Security

Your personal information is securely stored on Shopify’s encrypted servers and handled in compliance with the UK GDPR and the Data Protection Act 2018.

We use your data to process orders, manage your G-NiiB Rewards account, and improve customer service.

If you’ve chosen to receive updates from us, we may also use your data (with consent) to send product news, offers, and updates.

You can manage your marketing preferences or unsubscribe at any time.

For full details, please refer to our Privacy Policy.

You can reach our customer service team anytime via the Help & Support > Contact Us form on our website.

You can also message us through our official Facebook or Instagram pages — our team will be delighted to help.

We aim to respond to all enquiries within 1–2 working days. Our customer service team will always do their best to reply as quickly as possible.

You can unsubscribe from our newsletter at any time. Our newsletters share the latest updates, exclusive offers, and gut-health insights, helping us stay connected with our valued customers. Although we’re sorry to see you go, you can unsubscribe by clicking the unsubscribe link at the bottom of any email.

When you purchase any four eligible G-NiiB products on Amazon, you’ll receive the fifth item for free. Add five qualifying items to your Amazon basket — if your order meets the promotion requirements, the system will automatically deduct the cost of the fifth item at checkout.

Due to Amazon’s system settings, the complimentary 7-day pack is not automatically added to your basket. Please add it manually before checkout. If your order qualifies, the cost of the 7-day pack will be automatically deducted.

Amazon promotions are managed separately and may differ from those on the G-NiiB UK online store. Our official store offers more exclusive deals and allows you to earn G-Credits, which can be redeemed for coupons. We recommend shopping directly via the G-NiiB UK online store to enjoy these benefits.

No. The G-NiiB UK online store and the Amazon store operate on separate systems, so G-Credit coupons cannot be used on Amazon. Please use them when shopping directly on the G-NiiB UK online store.

To avoid confusion, Amazon-specific offers are not displayed on the G-NiiB UK online store.

For updates on the latest promotions — whether on our website or Amazon — please follow our official Facebook and Instagram pages.

We encourage customers to shop via the G-NiiB UK online store whenever possible, as it offers more exclusive deals and the chance to collect G-Credits for future rewards. cannot be used on Amazon. Please use them when shopping directly on the G-NiiB UK online store.