Grape OPC Antioxidants
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Hot and Humid Summer Is the Big Enemy of Isotonic OPC Powder

It is an evident advantage to take isotonic OPC drink for fast and high efficiency of absorption, as compared to capsules and tablets. The weakness of the isotonic drink powder is evident in the hot summer. 

Tips to use Isotonic OPC Drink Powder in the Hot and Humid Summer

1. After you place an order with us, make sure you check your email for the expected delivery date, so that you can pick up or collect the package as early as possible once delivered to you. Make effort to avoid prolonged exposure of the package to heat  and sunshine, and to put the bottle(s) in cool and dry place.

2. Make sure the powder-measuring scoop is dry before use. Do not use a wet scoop.

3. Remember to tighten the bottle cap as quickly as possible after each use.

4. Do not remove the dessicate pack(s) inside the bottle until you finish the powder.


The Limited Guarantee We Can Make

The nice and fine powder is a good indication of the product technical quality. We guarantee the products we deliver to you have this quality of nice and fine powder with no hardening, caking and rocking formation.

There may be roughly less than 0.1% chances that the bottles are not sealed well in the automated production line. We are responsible for that. And we make replacements immediately once reported.

Any complaints of this kind should be made within a week after the product is delivered. Even before you open a bottle, you still can tell whether the inside is good powder or not simply by shaking it and hearing.


What We Cannot Guarantee

The powder absorbs moisture from the air after you open the bottle many times. This cannot be avoided in the hot and humid summer. This may be the case especially for the 1/3 – 1/4 leftover on the bottom of the bottle after uses for the first 1-2 months.

If you are bothered too much by this, you may choose to take capsules and tablets in the summer.

However, most of our customers manage well to use throughout the entire summer without much problems. It would be the best if two (or more people) in a family to take a single bottle, and can finish each bottle in 30-45 days.

On the other hand, one may take it slightly more than recommended to finish a whole bottle in a shorter time. It does cost more indeed. But considering our products that are made from the expensive French raw materials and yet priced only moderately. It is still cheaper to take our products than OPC Factor® and Market America Isotonix® OPC-3.

Have a Healthy, Safe and Happy Summer to Every One