natural sources of nutrivene-d daily vitamin d for vitamin d deficiency

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  Product specifications

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     Product   Introduction

1. Improve the body's absorption of calcium and phosphorus, so that the plasma calcium and plasma phosphorus levels reach saturation.
2. Promote growth and bone calcification, promote dental integrity.
3. Increase the absorption of phosphorus through the intestinal wall and increase the reabsorption of phosphorus through the renal tubules.
4. Maintain the normal level of citrate in the blood.
5. To prevent the loss of amino acids through the kidneys.

1. Dissolve 7-dehydrocholesterol in ethanol, open the ring with ultraviolet radiation, concentrate the reaction solution, freeze, filter, and concentrate the filtrate through nitrogen to dryness to obtain crude vitamin D3 solution. It is refined to get vitamin D3.
2. Extracting 7-dehydrocholesterol, which is not absorbed by the human body from vegetable oil or yeast, is dissolved in chloroform or cyclohexane and converted into vitamin D3 by irradiation with ultraviolet rays.
3. Dissolve 7-dehydrocholesterol in ethanol, open the ring with ultraviolet light, concentrate the reaction solution, freeze, filter, and concentrate the filtrate through nitrogen to dryness to obtain crude vitamin D3, which can then be refined.

 The main toxic side effect of vitamin overdose is hypercalcemia. Early signs include dysentery or constipation, headache, loss of appetite, dizziness, difficulty walking, muscle pain, and irregular heartbeat. Late symptoms include itching, kidney-shaped vein function decline, osteoporosis, weight loss, muscle and soft tissue calcification, and so on.

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Since its establishment, Xi’an sheerherb has expanded its original factory and newly built aseptic operation workshop in accordance with GMP standards to make sure the product quality better. On the other hand, now our company is preparing an organic planting base which takes 70 hectares , and we have confident that there will be a major breakthrough of organic products In 2018.
      

      At present, our company's products have got the trust of customers in Europe, the United States, and Southeast Asia market, which stable monthly sales is 500,000 US dollars or more.Our company's goal is to create a new enterprises with integration of industry and trade which use brand management ideas to connect with the world.
      

      Here is our factory and laboratory photo.

                                                 Third Party Testing Agency 

         We have cooperated with many third-party testing organizations. We can follow your request to the appropriate agency testing products, to remove your concerns about product quality.

1 What’s your MOQ?

In general we do not have a minimum order.But usually we accept small quantity such as 100g on the condition that sample charge is 100% paid.

2 Where are the advantages of your company?

Our R & D team is comprised of industry elites who have years of experience in plantation. In addition to guaranteeing product quality, we can provide formulating services that will provide you more assistance in developing products.

3 How do I get a sample?

Yes, we can supply the free sample for test like10g~20g, and the shipping cost be paid by our customers.

4 what will you do When you receive a quality complaint?

First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss

5 How to confirm the Product Quality before placing orders?

You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests, We will manufacture the products as your requests.

6 How do we pay for the product?

You can pay by the payment methods we provide.We recommend you to use Alibaba to pay directly. This is the safest thing for you.