Compare Research Profiles
This Is Why I'm High organizes factual claims, structured attributes, and source records found through public research.
Marathon OG vs Granddaddy Purple
See how these research profiles differ in THC, reported effects, terpenes, lineage and source coverage.
Research profiles describe public information, not a specific product, batch or guaranteed experience.
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Selected strains
Marathon OG
Granddaddy Purple
How to Read This ComparisonResearch context, uncertainty, and product limits
Treat Missing Data as Unknown
An empty field is not a zero, a negative result, or proof that a strain lacks that trait.
Expect Product Variation
Names can span different breeders, phenotypes, batches, and labels. This page does not verify a specific product.
At a glance
From each strain's research profile
THC
Marathon OG lists the highest THC, at 24.5%.
- Marathon OG24.5% (highest)
- Granddaddy Purple20.5%
Reported effects
Every profile reports relaxed and euphoric.
RelaxedEuphoric
- Only Marathon OG
- Nothing unique listed
- Only Granddaddy Purple
- Sleepy
Lead terpene
Each profile leads with a different terpene.
- Marathon OG
- Ocimene
- Granddaddy Purple
- Myrcene
These are catalog research profiles, not a test of the product in your hand. Scan your label for its real numbers
Side by side
Marathon OG
Granddaddy Purple
Indica-DomThis Is Why I'm High Research Profile
Marathon OG
Broad profile15 listed sources
Marathon OG is a powerful indica-dominant hybrid (70/30) descended from legendary OG Kush genetics, delivering 20-29% THC in a sophisticated package. The strain features a complex terpene profile led by myrcene and ocimene, creating bold lemon-earth aromas with diesel and pine undertones. Effects begin with uplifting euphoria before transitioning into deep, long-lasting body relaxation perfect for evening stress relief and sleep preparation. Medical users appreciate its potential for pain management, anxiety relief, and insomnia treatment.
Indica-DomThis Is Why I'm High Research Profile
Granddaddy Purple
Broad profile28 listed sources
Granddaddy Purple (GDP) is a legendary 70/30 indica-dominant hybrid bred in 2003 from Purple Urkle and Big Bud. Known for its deep purple buds, grape-and-berry flavor, and myrcene-driven sedation, GDP delivers relaxed, euphoric, sleepy effects perfect for unwinding at night. With THC reaching up to 24%, this award-winning classic remains a benchmark for purple strains and heavy-bodied relaxation decades after its debut.
Broad profile5/5 areas
- Listed Sources
- 15
- Multiple listed sources
- Profile Updated
- Sep 14, 2026
- This Is Why I'm High record date
Current Limits
All 5 profile areas contain information; individual claims can still vary in support.
Coverage describes this This Is Why I'm High research profile—not product testing, safety, or batch verification.
Broad profile5/5 areas
- Listed Sources
- 28
- Multiple listed sources
- Profile Updated
- Oct 18, 2026
- This Is Why I'm High record date
Current Limits
All 5 profile areas contain information; individual claims can still vary in support.
Coverage describes this This Is Why I'm High research profile—not product testing, safety, or batch verification.
- 170% indica hybrid descended from legendary OG Kush with 20-29% THC delivering marathon-length relaxation
- 2Complex terpene profile led by myrcene and ocimene creates bold lemon-earth aromas with diesel undertones
- 3Dual-phase effects: initial cerebral euphoria transitions into profound full-body sedation and stress relief
- 1Legendary 2003 indica cross of Purple Urkle and Big Bud with deep purple buds
- 2Myrcene-dominant terpene profile drives heavy, sedating relaxation
- 3Sweet grape and berry flavor with earthy, floral undertones
24.5%Highest
THC1%
CBDType I(THC-dominant)
Ratio1:25
20.5%
THC0.55%
CBDType I(THC-dominant)
Ratio1:37
Relaxing High
Deep body calm
Relaxing High
Deep body calm
RelaxedEuphoric
RelaxedSleepyEuphoric
🌙Night
Stress ReliefMedical/TherapeuticSleep & BedtimeRelaxing
🌙Night
Sleep & BedtimeMedical/TherapeuticStress ReliefRelaxingWatching TV/Movies
🧪ocimene
Aromas
EarthyLemonHerbal
Flavors
LemonEarthySpicyHerbal+1 more
🧪Myrcene
Aromas
GrapeBerrySweet
Flavors
GrapeBerrySweet
Take this comparison further
A research profile describes a strain across the whole market. These tools get closer to what is in your jar and what works for you.
- Scan the label on your jar Photograph a product label to read its real terpene and cannabinoid numbers and its High Family.
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- Pick from the popularity chart Start with the most-recognized strains, ranked from awards and editorial lists.
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