420 Marijuana Online, Your Online Weed Shop

420 Marijuana Online is an online shop based on medical marijuana and vape cartridges. With a team of dedicated professionals ready to help you prescribe the right cannabis for your health. We offer our products at lesser prices and give membership cards to all our customers 

Top rated


Mango haze My favorite of the year… what a nice Sativa strain. Greenland still the best

Kyle Miller

Rated 5 out of 5
OG Kush Really strong taste and flavor, uplifting high u can clean house and get the to-do list done with a smile on your face. Really good price for what u are getting

Ryzer Ken

Rated 4.5 out of 5
Rockstar Fantastic daytime vape. Tastes great and really relaxes you. Doesn’t sit too heavy, or blow you away. If you’re having a bit of a rough day, this stuff should get you in the right mood. And

Alec Ahmad

Rated 5 out of 5


Our products

Theory’s premium cannabis flower, cannabis concentrates, and cannabis infused products are produced in-house at our state-of-the-art facility in Bridgewater, Massachusetts, and are available to purchase at one of our medical or recreational dispensary locations. Committed to the highest standards in quality, all of our cannabis products are produced in small batches and undergo thorough independent lab testing.