Cannabidiol, also known as CBD, is a cannabinoid in marijuana that produces many of the positive medical effects associated with the drug. It can treat any from anxiety to chronic pain to PTSD to multiple sclerosis and many, many more.

But not all strains of marijuana contain CBD, and the ones that do have different amounts of it. So if you’re looking for a strain with high quantity of CBD, here are the 10 best strains:

10. Sour Tsunami: 11 percent CBD

9. Critical Cure: 11 percent CBD

8. Harlequin: 15 percent CBD

7. Catatonic: 17 percent CBD

6. Valentine X: 18 percent CBD

5. Charlotte’s Web: 20 percent CBD

4. Ringo’s Gift: 20 percent CBD

3. Critical Mass: 22 percent CBD

2. Corazon: 22.5 percent CBD

1. AC/DC: 24 percent CBD

(h/t Leafly and Herb for information about strains)