Astragalus (Astragalus membranaceus) is a perennial herb in the legume family, native to northern China and Mongolia. Its root has been used in traditional Chinese medicine for thousands of years as a vital energy (Qi) tonic. Astragalus is recognized as an immune modulator, adaptogen, and antioxidant herb, widely used to support immunity, combat fatigue, protect cardiovascular health, and promote longevity.
Our premium Astragalus Extract Powder is produced from carefully selected, mature astragalus roots harvested in autumn after four to six years of growth when active compound levels are highest. Using advanced water or ethanol extraction followed by low temperature concentration and spray drying, the powder preserves the full spectrum of bioactive compounds including astragalus polysaccharides, astragaloside IV, other astragalosides, and isoflavonoids.
Our astragalus extract powder provides standardized astragalus polysaccharide content (typically 10%, 20%, 30% or higher by UV) and/or astragaloside IV content (typically 0.1%, 0.3%, 0.5%, 0.8%, 1.0% by HPLC), excellent water solubility, consistent batch to batch quality, enhanced bioavailability, and extended shelf life.
Production: In stock takes 3–7 business days; needs production takes about 10–15 days. Shipping: Express 3–7 days, air freight 5–10 days, sea freight 20–40 days.
Can you provide samples?
Yes! We usually offer 5–20g samples. There is a small fee for samples which gets deducted from your first bulk order. You can also buy a tiny trial amount (like 100g).
What is your MOQ?
Normally 1kg. However, if you need a smaller amount (e.g., 100g) as a sample or trial, we can accommodate that with upfront payment.
Are you a manufacturer or a trading company?
We are a direct supplier and manufacturer! We offer plant extracts, compounds, and other ingredients with no middlemen involved.
Do you offer OEM or custom packaging / labeling?
Yes, we do! We can provide custom labels, packaging sizes, and even private labeling to meet your specific brand requirements.
What's the shelf life and storage requirement?
Most products have a shelf life of 2 years. They should be stored in a cool, dry place away from direct sunlight. Specific storage instructions are provided on the COA.
Rubrum Biologics
