The Official Cannabis Independent strain guides
The Official Cannabis collection · sheet 19No 19 · Forum Cookiesvs GMO Cookies

Comparison

Forum Cookies vs GMO Cookies

GMO Cookies is a child of the Forum cut: Weedmaps traces it to Mamiko Seeds’ cross of Chem D and the Forum cut of GSC.1,2 Leafly users call GMO relaxed and sleepy and list chemical and pepper flavors, against energetic and butter for Forum Cut Cookies.3,4 GMO Cookies tests higher in state labs: 26.74% median THC across 2,159 tests, against 18.75% for Forum Cookies from only 81 tests, a small sample.5

Side by side

Forum CookiesGMO Cookies
TypeHybrid per Leafly and Weedmaps; 60% indica per AllBud4,6,7Indica-dominant hybrid3
Leafly’s scaleMostly energizing4Mostly calming3
LineageA cut of GSC, Jigga’s OG Kush × F1 Durb4,8Chem D × the Forum cut of GSC; Mamiko Seeds1,2
Median THC (state lab tests)18.75% (81 tests); small sample26.74% (2,159 tests)
Middle half of THC results15.71%–21.20%23.46%–29.83%
Top terpenes (median)β-Caryophyllene, α-Humulene, Limonene (10 tests); all from NevadaLimonene, β-Myrcene, β-Caryophyllene (456 tests)
Leafly’s top effectsEnergetic, euphoric, happy4Relaxed, sleepy, euphoric3
Flavor (Leafly)Butter, sweet, citrus4Chemical, pepper, pungent3

Lab rows come from the same state lab dataset and matching rules for both strains.5

Lab-tested THC: Forum Cookies vs GMO Cookies

16% 20% 24% 28% GMO Cookies GMO Cookies: median 26.74%, middle half 23.46%–29.83%, 2,159 tests 26.7% n=2,159 Forum Cookies Forum Cookies: median 18.75%, middle half 15.71%–21.20%, 81 tests 18.8% n=81 Median total THC (dot) and middle half of tests (bar)
Median and middle half of total THC in state lab tests. Small sample: Forum Cookies has only 81 tests.5

Parent and child

The SeedFinder breeder note calls GMO Cookies a cross between Chemdawg D and a GSC Forum cut, and Weedmaps says Skunkmasterflex found the keeper in Mamiko Seeds’ Chem Cookies.1,2 The line keeps going: Leafly lists Mule Fuel as Lurch × GMO Cookies, and The Marijuana Herald named Mule Fuel Connecticut’s top seller in its August 2026 roundup.9,10

Which is easier to find

On Oct 4, 2026, 12 stores within 50 miles of Baltimore listed Forum Cookies flower on Weedmaps, against 36 stores for GMO Cookies; around Chicago the counts were 10 and 33.11

Its own site

GMO Cookies has its own guide in the Official Cannabis network at gmocookiesstrain.com.

More comparisons

Sources

  1. Weedmaps, GMO Cookies strain page. Accessed Oct 4, 2026.
  2. SeedFinder, GMO Cookies (Mamiko Seeds): strain info and breeder description. Accessed Oct 4, 2026.
  3. Leafly, GMO Cookies (aka Garlic Cookies, GMO Garlic Cookies) strain information. Accessed Oct 4, 2026.
  4. Leafly, Forum Cut Cookies strain information. Accessed Oct 4, 2026.
  5. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 4, 2026.
  6. Weedmaps, Forum Cookies (aka GSC Forum Cut) strain page. Accessed Oct 4, 2026.
  7. AllBud, Forum Cookies marijuana strain information and reviews. Accessed Oct 4, 2026.
  8. Leafly, GSC (aka Girl Scout Cookies, Cookies) strain information. Accessed Oct 4, 2026.
  9. Leafly, Mule Fuel strain information. Accessed Oct 4, 2026.
  10. The Marijuana Herald, The top-selling marijuana strain in all 23 states with legal recreational sales (Anthony Martinelli) (2026-09-18). Accessed Oct 4, 2026.
  11. Weedmaps listings, compiled by Official Cannabis, Weedmaps flower menu snapshot, 27 US markets, Oct 4, 2026. Accessed Oct 4, 2026.