Shipping, Cancellation, and Return/Refund Policy
Last updated: 15 July 2026
The website onegaimuscle.com is operated by Maneechai Martin Co., Ltd. ("the Company"), located at 41/1 Moo 1, Naluangsen, Thungsong, Nakhon Si Thammarat 80110, Thailand. Tel: +66811752704, Email: support@onegaimuscle.com
1. Shipping Policy
1.1 We currently ship within Thailand only, via private courier services such as Flash Express / Kerry Express / Thailand Post.
1.2 Orders paid before 12:00 PM on business days are processed and dispatched within 1–2 business days. Orders placed after this time, or on weekends/public holidays, are processed on the next business day.
1.3 Estimated delivery time is 2–5 business days depending on the destination. Remote areas may take longer.
1.4 Shipping fees: Free shipping on orders of 299 THB or more. Orders below this amount are charged a flat shipping fee of 50 THB.
1.5 Once dispatched, customers receive a tracking number via email, SMS, or LINE, and can check delivery status on our Order Tracking page.
1.6 Please verify your name, address, and phone number before confirming your order. The Company is not responsible for delays or losses caused by incorrect delivery information. If a parcel is returned due to incorrect information or failed delivery, re-delivery costs are borne by the customer.
2. Order Cancellation Policy
2.1 Orders may be cancelled free of charge before dispatch by contacting us via LINE @onegaimuscle or email at support@onegaimuscle.com with your order number.
2.2 For cancellations before dispatch, a full refund will be issued to the original payment method within 7–14 business days.
2.3 Orders that have already been dispatched cannot be cancelled; however, customers retain their rights under the Return Policy in Section 3.
2.4 The Company reserves the right to cancel orders in cases of out-of-stock items, obvious pricing errors, or suspected fraudulent transactions. Affected customers will be notified and refunded in full.
3. Return and Refund Policy
3.1 As our products are dietary supplements (consumable goods), returns are accepted only in the following cases:
The item received is the wrong product, flavor, or size
The item was damaged in transit (e.g., broken container, torn seal)
The item has a manufacturing defect or expired before the delivery date
3.2 Return conditions:
Notify us within 3 days of receiving your order via LINE @onegaimuscle or email at support@onegaimuscle.com
Provide photos of the product, label, and packaging showing the issue, together with your order number
Products must be in original condition, unopened, with seals intact (except where the defect could only be discovered upon opening)
For hygiene and consumer safety reasons, we cannot accept returns of opened products or returns due to change of mind
3.3 Once the return is verified and approved, customers may choose either:
A replacement of the same item (all shipping costs covered by the Company), or
A full refund to the original payment method
3.4 Refunds are processed within 7–14 business days after approval. The time for funds to appear in your account depends on your bank or card provider.
3.5 For returns caused by the Company's error (wrong item, damaged, or defective goods), all return shipping costs are covered by the Company.
3.6 Clearance / Stock Clearance Sale items: Products sold under a clearance or stock clearance promotion, clearly marked as "Clearance" on the product page or promotional listing, are sold at a special final-sale price. These items are not eligible for return or exchange due to change of mind or ordering the wrong variant, flavor, or size under any circumstances. The only exceptions are cases where the Company shipped the wrong item or the product was damaged in transit. Please carefully check the product details, variant, flavor, size, and expiry date before confirming your order.
4. Contact Us
LINE: @onegaimuscle
Email: support@onegaimuscle.com
Phone: +66811752704
Business hours: Mon–Fri, 9:00 AM–5:00 PM