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About product and suppliers:
        Alibaba.com offers 11,499 kelp powder products. About 23% of these are organic fertilizer, 20% are herbal extract, and 7% are seaweed. 

A wide variety of kelp powder options are available to you, such as seaweed, seaweed powder, and herbal extract. You can also choose from liquid, powder, and granular. As well as from quick, controlled, and slow. And whether kelp powder is free samples, or paid samples. 

There are 11,243 kelp powder suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Vietnam, and Japan, which supply 92%, 4%, and 1% of kelp powder respectively. 

Kelp powder products are most popular in North America, Domestic Market, and Eastern Asia. 

You can ensure product safety by selecting from certified suppliers, including 2,471 with ISO9001, 1,447 with Other, and 578 with HACCP certification.