Pharmacological action
Vitamin B complex is involved in the metabolic process of the body. It is a coenzyme necessary for various metabolic processes and an important coenzyme for tissue respiration. Vitamin B1 is an important component of coenzyme for carbohydrate metabolism. Vitamin B2 is an important coenzyme component for tissue respiration. Vitamin B6 is the coenzyme of many enzymes, which is involved in the metabolism of amino acids and fat. Nicotinamide, a component of coenzyme I and II, is essential for lipid metabolism, oxidation of tissue respiration and glycogen decomposition. Sodium pantothenate, a precursor of coenzyme A, is involved in the metabolism of carbohydrate, fat and protein.

Tenas takes "quality leading, technology leading, cost leading and service leading" as its business philosophy. "Make good medicine in the world, and make human health more guaranteed!"
Tenas is willing to provide you with a wide variety, complete specifications and excellent quality of Pharmaceutical product; And is willing to sincerely join hands with you to make contributions to the cause of human health!

1. Could I use my own logo on it?

> Sure, customers' logo can be made by laser, engraved, embossed, transfer printing etc.

2. Should I pay extra for logo printing ?
> If the qty is lower than the MOQ,need to paid extra print fee as following :inner packet, USD30.77
per color,inner box,USD15.39 per color .carton :USD38.46 per color.

3. Could I buy 1pc sample first or take a trial order ?
> Of course, sample order and trial order,especially for new customers under certain condition.

4. How much for 1pc sample ?
> Some cheap ones may free for 1pc but need to see the actual stock.

5. If I have my thoughts, do you have person to design according to my concept?
> Certainly,our design team is willing to do for you.

6. How long to make a sample?
> 7~21days which depends on the samples' complexity.

7. Is the sample fee refundable or not?
> Sure, refundable once order confirmed.