Necessary for the metabolism of calcium, vitamin C, phosphorus, sodium, and potassium. Magnesium is essential for nerve and muscle function, and for converting blood sugar to energy.

Good Value Shoppe  is an established homegrown full-time business based in Singapore with ready stocks in Singapore. Pls use Qxpress for fast delivery within 3 working days! Note: Orders with Customer Memo will be be delayed by 1-2 days as we need to follow up with you. Thank you.

Singpost Normal Mail (NO TRACKING): Convenient but slow (no tracking) and low cost direct delivery to your letterbox without need of signature. It will take 3-15 working days (average 5-10 working days) to reach your letterbox. Chance of lost mail (eg. from wrong address, invalid address) which is non-claimable. Pls use your residential address with letterbox. Pls do not use this delivery mode if you need item urgently as delivery time is unpredictable, instead use Qxpress which delivers in 3 working days.

Qxpress (TRACKING): Fast door-to-door delivery service with tracking info (available 24 hours after item shipped). Typical delivery time is 3 working days after order placed. Pls note Qxpress courier does not accept any specific instructions (eg call or SMS before delivery, preferred delivery time, etc). If you miss your delivery, pls do not worry, reschedule at no cost. For any queries on delivery, pls call Qxpress at +65-6661-9100 (quote your tracking number).

Customer Service:  1-for-1 exchange for manufacturing defects within 14 days from date of purchase - contact us on Qoo10 inquiry (not via item review) with details and photos so we can follow up with you.  For more info, Pls check out our Warranty Policy on our home page http://www.qoo10.sg/shop-info/goodvalueshoppe. Thank you for shopping with us.