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(仅限美国,酒类产品除外)
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Proposition 65 warnings advise of exposures to chemicals that may contribute to an individual's overall lifetime risk of cancer or risk of birth defects or other reproductive harm. If a warning is placed on a product label or posted or distributed at a workplace, a business, or in rental housing, the business issuing the warning is aware or believes that it is exposing individuals to one or more listed chemicals.
在传统医学中,当归头以补血为核心,兼具活血、调经止痛、润肠通便的功效。能有效改善血虚所致的面色萎黄、头晕心悸、肢体麻木,血虚血瘀引起的月经不调、痛经经闭,寒凝气滞导致的脘腹冷痛,以及肠燥津亏引发的便秘等症状。从现代研究角度看,当归头含阿魏酸、当归多糖、挥发油(藁本内酯)等生物活性成分,且补血相关成分含量高于当归身、当归尾,补血、抗氧化、免疫调节作用更强,有助于改善造血功能,增强机体抵抗力。
当归头片、归头、乾归头、大头归、川归头、岷归头、西归头
味甘、辛,性温;归肝、心、脾经
当归头富含多种活性成分,其中当归多糖和阿魏酸含量高于当归其他部位。当归多糖是核心补血成分,通过促进造血干细胞增殖、增强免疫细胞活性,发挥强效补血、免疫调节作用;阿魏酸能扩张血管、清除自由基,实现改善血液循环、抗氧化的效果;挥发油(主要为藁本内酯)具备镇痛、抗炎功效,可缓解经期腹痛和腹部冷痛。这些成分协同作用,以补血为核心,兼顾活血,维护机体造血与消化健康。
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