delivery time :within 12 hours upon receipt of payment
Place of Origin:China (Mainland)
Type:Blood System Agents
Grade Standard:Medicine Grade
1.High quality products
3.Fast and safety shipping
4.Best after-sales service
1.Q: How is the package?
A:Aluminum foil bag or as customer's required.
2.Q: How is the storage?
A:Keep in dry and cool place.
3.Q: Do I need to pay extra for shipping cost?
A:No, our price includes the shipping cost already; you need not pay for any tax or others.
4.Q: May I order sample to test?
A:Yes, you are welcome to order sample before placing bulk order.We will send the sample directly to your door by courier.
5.Q: What's the delivery time ?
A:Usually , we will ship for you as soon as paid,or 1-2 days after confirm your payment
Estriol (E3), also spelled oestriol, is a steroid, a weak estrogen, and a minor female sex hormone. It is one of three major endogenous estrogens, the others being estradiol and estrone. Levels of estriol in women who are not pregnant are almost undetectable