MK Ultra
aka MK Ultra OG, MKU, MKUltra
MK Ultra is a legendary indica-dominant hybrid (70/30) bred by T.H. Seeds from OG Kush and G13 genetics. This award-winning strain won first place at the 2003 High Times Cannabis Cup and captured second place in 2004. With 15-29% THC and myrcene-dominant terpenes, it delivers profoundly sedating effects perfect for evening use. Expect pungent earthy aromas with pine and citrus notes, followed by deep body relaxation, euphoria, and powerful sleep-inducing properties that make it ideal for insomnia and chronic pain management.
Quick Hits
These are approximate averages from community data. Your actual product's THC/CBD varies by batch, grower, and growing conditions.
Scan your label for exact values →Classification based on genetic lineage. Note: Recent research shows indica/sativa labels don't predict effects—terpene profiles do.
The dominant aromatic compound shaping this strain's effects and flavor profile. Terpenes work with cannabinoids to create your unique experience.
Recommendation based on typical effects. Morning strains tend to energize; evening strains tend to relax. Your experience may vary.
When this strain was first cultivated or its genetic origin decade. Heritage strains often have more stable, established genetics.
Market availability based on dispensary listings and community data. Rare strains may require searching specialty dispensaries.
Strain Highlights
Key insights at a glance
Professor High Says...
In-depth strain breakdown from our cannabis expert
The onset hits like a warm blanket of bliss wrapping around my consciousness—within minutes, I'm experiencing this incredible euphoric lift that makes everything feel... perfect. My thoughts slow to a peaceful crawl as the myrcene-rich profile works its sedative magic through my entire system.
What's fascinating is the dual-phase experience: initially, there's this beautiful mental clarity and happiness, almost like viewing the world through rose-colored glasses. But then—and this is where MK Ultra earns its reputation—the body effects cascade in powerful waves. My muscles release tension I didn't even know I was holding. The physical sedation is profound but not uncomfortable; it's more like sinking into the most luxurious mattress imaginable.
The terpene synergy here is textbook entourage effect—that 1.23% myrcene combines with caryophyllene to create this deeply therapeutic, almost narcotic relaxation without feeling foggy. I notice the pine and earth flavors lingering pleasantly as my eyelids grow deliciously heavy. This is pharmaceutical-grade relaxation in plant form, and I understand completely why it dominated Cannabis Cup competitions. The name isn't hyperbole—this strain genuinely alters your mental state into pure tranquility.
Effects Profile
Best enjoyed during night
Deep relaxation and sleep
Best For
Effect Sources
- 1MK Ultra | NuggMDnuggmd.com
- 2MK Ultra Weed Strain Informationleafbuyer.com
- 3MK Ultra Strain Review: Information, Benefits, Effects, Seeds, & Ratingsbeststrainfinder.com
- 4MK Ultra Weed Strain Review & Information | CTUcannabistraininguniversity.com
- 5MK Ultra Strain: Delving Into Cannabis Sedationghousedc.com
- 6MK Ultra Strain - Indica Cannabis Review, 15.0% THChytiva.com
- 7Mk Ultra Weed Strain Information & Effectssativauniversity.com
- 8MK Ultraweeddeliverykelowna.io
- 9MK Ultrapacificgrass.co
- 10Kannabis Kulturekannabiskulture.co
- 11MK Ultra Strain Info- Indica Dominant Hybridliwts.org
- 12MK Ultra Weed Strain Review & Infostrains.uk
- 13MK Ultra Strainweedpedia.org
- 14MK Ultra Marijuana Strain Information & Reviewsallbud.com
- 15MK Ultra aka MK Ultra OG, MKU Weed Strain Informationleafly.com
- 16MK Ultra (AAAA) - Budsbcbudsupply.com
- 17MK Ultra Cannabis Strain Diariesgrowdiaries.com
- 18MK Ultra Strain | Order Cannabis Onlinebulkbuddy.co
- 19Mk Ultra | Weed Straincannabislinkinc.com
- 20MK Ultra Strain is One of The Best Indicas to Buy Onlinemmjexpress.cc
- 21MK Ultra Feminized Seeds (Canuk Seeds) - ELITE STRAINtruenorthseedbank.com
- 22Strain Review: MK Ultrapuffwow.com
- 23MK-Ultra - Strain Information - CannaConnectioncannaconnection.com
- 24MK Ultra - Strain Information – Royal King Seedsroyalkingseeds.com
24 verified sources
Side Effects
Side effects vary by individual. Start low, go slow. Consult a healthcare professional with concerns.
These are commonly reported effects. Individual experiences may vary based on dosage, tolerance, and consumption method.
Aroma & Flavors
Aroma & Flavor Sources
- 1MK Ultra | NuggMDnuggmd.com
- 2MK Ultra Weed Strain Informationleafbuyer.com
- 3MK Ultra Strain Review: Information, Benefits, Effects, Seeds, & Ratingsbeststrainfinder.com
- 4MK Ultra Weed Strain Review & Information | CTUcannabistraininguniversity.com
- 5MK Ultra Strain: Delving Into Cannabis Sedationghousedc.com
- 6MK Ultra Strain - Indica Cannabis Review, 15.0% THChytiva.com
- 7Mk Ultra Weed Strain Information & Effectssativauniversity.com
- 8MK Ultraweeddeliverykelowna.io
- 9MK Ultrapacificgrass.co
- 10Kannabis Kulturekannabiskulture.co
- 11MK Ultra Strain Info- Indica Dominant Hybridliwts.org
- 12MK Ultra Weed Strain Review & Infostrains.uk
- 13MK Ultra Strainweedpedia.org
- 14MK Ultra Marijuana Strain Information & Reviewsallbud.com
- 15MK Ultra aka MK Ultra OG, MKU Weed Strain Informationleafly.com
- 16MK Ultra (AAAA) - Budsbcbudsupply.com
- 17MK Ultra Cannabis Strain Diariesgrowdiaries.com
- 18MK Ultra Strain | Order Cannabis Onlinebulkbuddy.co
- 19Mk Ultra | Weed Straincannabislinkinc.com
- 20MK Ultra Strain is One of The Best Indicas to Buy Onlinemmjexpress.cc
- 21MK Ultra Feminized Seeds (Canuk Seeds) - ELITE STRAINtruenorthseedbank.com
- 22Strain Review: MK Ultrapuffwow.com
- 23MK-Ultra - Strain Information - CannaConnectioncannaconnection.com
- 24MK Ultra - Strain Information – Royal King Seedsroyalkingseeds.com
24 verified sources
Aromas
Flavors
Appearance
Color Palette
Texture
Dense, chunky indica structure with exceptionally sticky, resinous coating that requires a grinder. Heavy trichome frost gives buds a glistening, crystalline appearance.
Crystal Density
very high
Exceptional crystal coverage
Terpene Profile
Partially VerifiedTerpene Sources
- 1MK Ultra | NuggMDnuggmd.com
- 2MK Ultra Strain Review: Information, Benefits, Effects, Seeds, & Ratingsbeststrainfinder.com
- 3MK Ultra Weed Strain Review & Information | CTUcannabistraininguniversity.com
- 4MK Ultra Strain: Delving Into Cannabis Sedationghousedc.com
- 5Mk Ultra Weed Strain Information & Effectssativauniversity.com
- 6MK Ultrapacificgrass.co
- 7MK Ultra Weed Strain Review & Infostrains.uk
- 8MK Ultra Strainweedpedia.org
- 9MK Ultra aka MK Ultra OG, MKU Weed Strain Informationleafly.com
- 10MK Ultra Strain is One of The Best Indicas to Buy Onlinemmjexpress.cc
- 11Strain Review: MK Ultrapuffwow.com
11 verified sources
Terpene Distribution
MyrceneDominant
Flavor: Earthy, musky, fruity
Full Profile
Myrcene
1.23 %
Flavor Profile:
Earthy, musky, fruity
Effects:
Caryophyllene
0.5 %
Flavor Profile:
Spicy, peppery, woody
Effects:
Pinene
0.5 %
Flavor Profile:
Pine, fresh forest
Effects:
Limonene
0.3 %
Flavor Profile:
Citrus, lemon, orange
Effects:
Linalool
0 %
Flavor Profile:
Floral, lavender, sweet
Effects:
Humulene
0 %
Flavor Profile:
Hoppy, woody, earthy
Effects:
Terpinolene
0 %
Flavor Profile:
Fresh, piney, floral, citrus
Effects:
Camphene
0 %
Flavor Profile:
Damp woodlands, fir needles
Effects:
Carene
0 %
Cannabinoid Profile
Both THC and CBD present (5-15% each) - Medical/wellness focused
Medical Effects
Medical Effect Sources
- 1MK Ultra | NuggMDnuggmd.com
- 2MK Ultra Weed Strain Informationleafbuyer.com
- 3MK Ultra Strain Review: Information, Benefits, Effects, Seeds, & Ratingsbeststrainfinder.com
- 4MK Ultra Weed Strain Review & Information | CTUcannabistraininguniversity.com
- 5MK Ultra Strain: Delving Into Cannabis Sedationghousedc.com
- 6MK Ultra Strain - Indica Cannabis Review, 15.0% THChytiva.com
- 7Mk Ultra Weed Strain Information & Effectssativauniversity.com
- 8MK Ultrapacificgrass.co
- 9Kannabis Kulturekannabiskulture.co
- 10MK Ultra Strain Info- Indica Dominant Hybridliwts.org
- 11MK Ultra Weed Strain Review & Infostrains.uk
- 12MK Ultra Strainweedpedia.org
- 13MK Ultra Marijuana Strain Information & Reviewsallbud.com
- 14MK Ultra aka MK Ultra OG, MKU Weed Strain Informationleafly.com
- 15MK Ultra (AAAA) - Budsbcbudsupply.com
- 16MK Ultra Cannabis Strain Diariesgrowdiaries.com
- 17MK Ultra Strain | Order Cannabis Onlinebulkbuddy.co
- 18Mk Ultra | Weed Straincannabislinkinc.com
- 19MK Ultra Strain is One of The Best Indicas to Buy Onlinemmjexpress.cc
- 20Strain Review: MK Ultrapuffwow.com
- 21MK Ultra - Strain Information – Royal King Seedsroyalkingseeds.com
21 verified sources
Mental Effects
- •Anxiety Relief
Reduces anxiety and worry without heavy sedation
- •Stress Reduction
Calms racing thoughts and mental tension
- •Depression Management
Elevates mood and combats depressive episodes
- •Sleep Enhancement
Promotes relaxation and sleep onset
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and muscle tension
- •Inflammation Reduction
Alleviates arthritis and inflammatory conditions
- •Muscle Relaxation
Eases muscle spasms and physical tension
- •Appetite Stimulation
Increases appetite and reduces nausea
- •Sleep Induction
Promotes deep sleep and restfulness
Medical Disclaimer: This information is AI-generated based on available research and user reports, provided for educational purposes only, and is not intended as medical advice. Cannabis affects everyone differently. Consult with a qualified healthcare professional before using cannabis for medical purposes. Do not use cannabis if pregnant, nursing, or have a medical condition without consulting your doctor.
Lineage History
Lineage Sources
- 1MK Ultra | NuggMDnuggmd.com
- 2MK Ultra Weed Strain Informationleafbuyer.com
- 3MK Ultra Strain Review: Information, Benefits, Effects, Seeds, & Ratingsbeststrainfinder.com
- 4MK Ultra Weed Strain Review & Information | CTUcannabistraininguniversity.com
- 5MK Ultra Strain: Delving Into Cannabis Sedationghousedc.com
- 6MK Ultra Strain - Indica Cannabis Review, 15.0% THChytiva.com
- 7Mk Ultra Weed Strain Information & Effectssativauniversity.com
- 8MK Ultraweeddeliverykelowna.io
- 9MK Ultrapacificgrass.co
- 10Kannabis Kulturekannabiskulture.co
- 11MK Ultra Strain Info- Indica Dominant Hybridliwts.org
- 12MK Ultra Weed Strain Review & Infostrains.uk
- 13MK Ultra Strainweedpedia.org
- 14MK Ultra Marijuana Strain Information & Reviewsallbud.com
- 15MK Ultra aka MK Ultra OG, MKU Weed Strain Informationleafly.com
- 16MK Ultra (AAAA) - Budsbcbudsupply.com
- 17MK Ultra Cannabis Strain Diariesgrowdiaries.com
- 18MK Ultra Strain | Order Cannabis Onlinebulkbuddy.co
- 19Mk Ultra | Weed Straincannabislinkinc.com
- 20MK Ultra Strain is One of The Best Indicas to Buy Onlinemmjexpress.cc
- 21MK Ultra Feminized Seeds (Canuk Seeds) - ELITE STRAINtruenorthseedbank.com
- 22Strain Review: MK Ultrapuffwow.com
- 23MK-Ultra - Strain Information - CannaConnectioncannaconnection.com
- 24MK Ultra - Strain Information – Royal King Seedsroyalkingseeds.com
24 verified sources
MK Ultra is an indica-dominant hybrid strain created by crossing OG Kush and G13. It was developed by T.H. Seeds and gained prominence in the early 2000s, winning first place in the 2003 High Times Cannabis Cup Indica category and second place in 2004.
Origin Timeline
First cultivated in 2003
Breeder
T.H. Seeds
Seed Bank
T.H. Seeds
Consumption Methods
Recommended Methods
Awards & Recognition
Award Sources
- 1MK Ultra | NuggMDnuggmd.com
- 2MK Ultra Weed Strain Informationleafbuyer.com
- 3MK Ultra Strain Review: Information, Benefits, Effects, Seeds, & Ratingsbeststrainfinder.com
- 4MK Ultra Weed Strain Review & Information | CTUcannabistraininguniversity.com
- 5MK Ultra Strain - Indica Cannabis Review, 15.0% THChytiva.com
- 6Mk Ultra Weed Strain Information & Effectssativauniversity.com
- 7MK Ultraweeddeliverykelowna.io
- 8MK Ultra Strainweedpedia.org
- 9MK Ultra aka MK Ultra OG, MKU Weed Strain Informationleafly.com
- 10MK Ultra (AAAA) - Budsbcbudsupply.com
- 11MK Ultra Strain | Order Cannabis Onlinebulkbuddy.co
- 12MK Ultra Strain is One of The Best Indicas to Buy Onlinemmjexpress.cc
- 13Strain Review: MK Ultrapuffwow.com
- 14MK-Ultra - Strain Information - CannaConnectioncannaconnection.com
14 verified sources
Competition Wins
Detailed Description
Introducing MK Ultra: An Award-Winning Indica Powerhouse
MK Ultra stands as one of cannabis culture's most celebrated indica-dominant strains, earning its legendary status through back-to-back High Times Cannabis Cup victories in 2003 (first place) and 2004 (second place). Named controversially after the CIA's mind-control experiments, this strain delivers mind-altering relaxation that lives up to its provocative moniker. With its 70% indica / 30% sativa composition and THC levels ranging from 15-29%, MK Ultra has become a go-to choice for experienced consumers seeking profound sedation and therapeutic relief. Bred by the renowned T.H. Seeds in the early 2000s, this strain combines two cannabis titans—OG Kush and G13—to create an unforgettable experience that has maintained its popularity for over two decades.
🧬 Genetic Heritage & Lineage
MK Ultra's impressive pedigree traces back to two legendary parent strains. OG Kush contributes its signature West Coast genetics, bringing earthy pine notes and potent psychoactive effects, while G13 adds government-lab mystique and exceptional body-melting properties. This combination was masterfully crafted by T.H. Seeds, the Amsterdam-based breeder known for creating championship-caliber strains. Emerging in the early 2000s, MK Ultra quickly distinguished itself in Amsterdam's competitive cannabis scene, capturing the attention of judges and consumers alike. The strain's 70/30 indica-dominant ratio reflects careful breeding to maximize sedative qualities while preserving enough sativa influence to prevent complete couch-lock in moderate doses.
👃 Terpene Profile & Aromatics
Myrcene dominates MK Ultra's terpene profile at 1.23%, making it the primary architect of this strain's deeply sedating effects. This earthy, musky terpene works synergistically with cannabinoids to enhance body relaxation and promote sleep. Caryophyllene follows at 0.5%, contributing spicy, peppery notes while activating CB2 receptors for potential anti-inflammatory benefits. Pinene (0.5%) and Limonene (0.3%) round out the terpene ensemble, adding fresh pine and subtle citrus brightness that cuts through the heavier base notes.
The aroma experience opens with an intensely pungent, earthy foundation that immediately fills the room. You'll detect sharp pine notes mingling with dank, woody undertones and a distinctive chemical-fuel edge reminiscent of its OG Kush lineage. Subtle citrus highlights and sweet herbal notes emerge on closer inspection, while a skunky musk provides depth. Breaking apart the buds releases even more complex aromatics—hints of diesel, spice, and that unmistakable Kush funk that connoisseurs treasure.
👅 Flavor Experience
The flavor journey begins with bold earthy tones coating your palate, accompanied by sweet pine that evokes forest floors after rain. Mid-palate, you'll experience woody, herbal notes with surprising creamy smoothness that makes the smoke or vapor remarkably palatable despite its potency. Spicy caryophyllene tingles on the tongue, while subtle citrus and skunky undertones add complexity. The exhale leaves a pungent, slightly sweet aftertaste with lingering pine and musky earth notes that persist pleasantly. Some phenotypes express additional chemical or diesel flavors that enthusiasts particularly prize.
🎯 Effects & Experience
MK Ultra's effects arrive quickly and decisively—within 5-10 minutes, you'll feel a wave of profound relaxation washing over your entire body. The mental experience begins with euphoric uplift and happiness, creating a blissful headspace before the heavier body effects take control. As the high progresses (typically 15-30 minutes in), deep physical sedation sets in, making this strain's reputation as a couch-lock champion well-deserved.
The peak experience (1-2 hours) delivers full-body muscle relaxation, sleepiness, and that signature hypnotic, mind-melting quality that inspired its name. Many users report increased appetite and a pleasant tingling sensation throughout their limbs. The effects are long-lasting (3-4 hours total), gradually tapering into restful drowsiness. This strain demands respect—novice users should start with minimal doses, as MK Ultra's potency can be overwhelming.
🎮 Use Cases & Activities
MK Ultra excels as an evening and nighttime strain designed for unwinding after demanding days. You'll find it ideal for:
- Sleep Enhancement: Its sedating properties make it perfect for those struggling with insomnia
- Stress Relief: Melts away mental tension and racing thoughts
- Pain Management: Provides significant relief from chronic pain, arthritis, and muscle spasms
- Meditation & Relaxation: Creates a deeply introspective, peaceful headspace
- Movie Watching: Perfect for settling in for a film marathon
Avoid this strain when you need focus, energy, or productivity—save MK Ultra for when your only agenda is complete relaxation.
💚 Medical & Therapeutic Potential
MK Ultra's myrcene-rich profile and high THC content make it particularly effective for therapeutic applications. The strain may help manage chronic pain, arthritis, and inflammation through caryophyllene's CB2 receptor activation. Mental health applications include potential relief from anxiety, stress, depression, and PTSD, though some users report paradoxical anxiety at higher doses. Its most celebrated medical use remains insomnia treatment—many patients report this as one of the most effective sleep-inducing strains available. It may also stimulate appetite and reduce nausea, making it potentially useful for patients undergoing treatments that affect eating patterns.
👁️ Visual Characteristics
MK Ultra buds display dense, chunky structure typical of premium indica genetics. Expect deep forest green coloration as the primary hue, often accented by purple undertones in cooler-grown phenotypes. Bright orange to rust-colored pistils weave throughout the flowers in thick clusters. The trichome coverage is exceptional—buds glisten with a heavy frost of amber and milky-white crystals that speak to the strain's potency. The resinous, sticky texture makes these buds notably difficult to break apart by hand, often requiring a quality grinder.
🏆 Awards & Recognition
- 2003 High Times Cannabis Cup: First Place Indica
- 2004 High Times Cannabis Cup: Second Place Indica
These consecutive victories established MK Ultra as an Amsterdam coffeeshop staple and cemented its reputation among indica enthusiasts worldwide.
⚠️ Consumer Considerations
MK Ultra is best suited for experienced consumers comfortable with potent indica effects. Beginners should approach cautiously, starting with very small amounts. Common side effects include dry mouth and dry eyes (easily managed with hydration and eye drops), occasional dizziness, and rare instances of paranoia or anxiety in sensitive individuals or at high doses. The intense sedation means you should clear your schedule and avoid operating vehicles or machinery. This strain's power demands respect, but rewards those who use it appropriately with unparalleled relaxation and therapeutic relief.
Research Methodology
How we compiled this strain profile
This strain profile was generated by analyzing 25 independent sources mentioning 'MK Ultra'. Our research pipeline cross-references multiple databases, lab results, and community reports to synthesize accurate strain data.
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Strain Highlights
Key insights at a glance
Lineage History
Lineage Sources
- 1MK Ultra | NuggMDnuggmd.com
- 2MK Ultra Weed Strain Informationleafbuyer.com
- 3MK Ultra Strain Review: Information, Benefits, Effects, Seeds, & Ratingsbeststrainfinder.com
- 4MK Ultra Weed Strain Review & Information | CTUcannabistraininguniversity.com
- 5MK Ultra Strain: Delving Into Cannabis Sedationghousedc.com
- 6MK Ultra Strain - Indica Cannabis Review, 15.0% THChytiva.com
- 7Mk Ultra Weed Strain Information & Effectssativauniversity.com
- 8MK Ultraweeddeliverykelowna.io
- 9MK Ultrapacificgrass.co
- 10Kannabis Kulturekannabiskulture.co
- 11MK Ultra Strain Info- Indica Dominant Hybridliwts.org
- 12MK Ultra Weed Strain Review & Infostrains.uk
- 13MK Ultra Strainweedpedia.org
- 14MK Ultra Marijuana Strain Information & Reviewsallbud.com
- 15MK Ultra aka MK Ultra OG, MKU Weed Strain Informationleafly.com
- 16MK Ultra (AAAA) - Budsbcbudsupply.com
- 17MK Ultra Cannabis Strain Diariesgrowdiaries.com
- 18MK Ultra Strain | Order Cannabis Onlinebulkbuddy.co
- 19Mk Ultra | Weed Straincannabislinkinc.com
- 20MK Ultra Strain is One of The Best Indicas to Buy Onlinemmjexpress.cc
- 21MK Ultra Feminized Seeds (Canuk Seeds) - ELITE STRAINtruenorthseedbank.com
- 22Strain Review: MK Ultrapuffwow.com
- 23MK-Ultra - Strain Information - CannaConnectioncannaconnection.com
- 24MK Ultra - Strain Information – Royal King Seedsroyalkingseeds.com
24 verified sources
MK Ultra is an indica-dominant hybrid strain created by crossing OG Kush and G13. It was developed by T.H. Seeds and gained prominence in the early 2000s, winning first place in the 2003 High Times Cannabis Cup Indica category and second place in 2004.
Origin Timeline
First cultivated in 2003
Breeder
T.H. Seeds
Seed Bank
T.H. Seeds
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