Astragalus is an herb that has been used in Chinese medicine for centuries. It is said to have many health benefits, including boosting the immune system, reducing inflammation, and helping to fight off infections.

There are many different brands and types of astragalus available on the market today. Here are four of the best, based on price, quality, and customer reviews:

1. Zhou Nutrition Astragalus Root Powder

2. Now Foods Astragalus Root Powder

3. Gaia Herbs Astragalus Supreme

4. Herb Pharm Astragalus Extract

Zhou Nutrition Astragalus Root Powder is one of the most affordable options on the market, costing just $11.99 for a 4-ounce jar. The powder is made from 100% pure astragalus root, and is said to be of the highest quality.

Now Foods Astragalus Root Powder is another affordable option, costing $12.99 for a 4-ounce jar. The powder is also made from 100% pure astragalus root, and is said to be of high quality.

Gaia Herbs Astragalus Supreme is a bit more expensive than the other two options, costing $19.99 for a 2-ounce bottle. The extract is made from astragalus root, and is said to be of the highest quality.

Herb Pharm Astragalus Extract is the most expensive option, costing $34.99 for a 2-ounce bottle. The extract is made from astragalus root, and is said to be of high quality.

All four of these astragalus powders are of high quality and are said to be effective. Zhou Nutrition and Now Foods are the most affordable options, while Gaia Herbs and Herb Pharm are the most expensive.