MK Ultra

aka MK Ultra OG, MKU, MKUltra

Award Winner +3 more

Quick Hits

😌
High Family
Relaxing High
Deep Body Relaxation
Potency
22% THC
0.0% CBD
Cannabinoid Content
Type Type II
indica
70/30
🌿
Terpene
Myrcene
Sedating
🌙
Best Time
night
Recommended
Era
2003
First cultivated
🌿
Rarity
Common
Market availability

Strain Highlights

Key insights at a glance

1
Award-winning indica that captured first place at 2003 High Times Cannabis Cup
2
Myrcene-dominant terpene profile delivers profoundly sedating, sleep-inducing effects
3
Potent 15-29% THC from legendary OG Kush x G13 genetics
4
Exceptional for insomnia, chronic pain, and evening relaxation
Professor High Avatar

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.

Indica Dominant
Myrcene Forward
night Use

Effects Profile

Relaxed Euphoric Sleepy Happy Hungry Uplifted Creative Focused

Best enjoyed during night

Deep relaxation and sleep

Side Effects

Side effects vary by individual. Start low, go slow. Consult a healthcare professional with concerns.

💧 Dry Mouth
👁️ Dry Eyes
⚠️ Dizziness
⚠️ Drowsiness
😰 Anxiety

These are commonly reported effects. Individual experiences may vary based on dosage, tolerance, and consumption method.

Aromas

Pungent
Earthy
Pine
Citrus
Sugar
Woody
Skunk
Chemical
Herbal

Flavors

Earthy
Sugar
Pine
Woody
Citrus
Spicy
Skunk
Herbal
Cream

Appearance

Color Palette

deep forest green
purple undertones
dark jade
bright orange pistils
rust-colored hairs
amber trichomes
milky-white crystals

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

Cannabinoid Profile

Type II Balanced

Both THC and CBD present (5-15% each) - Medical/wellness focused

THC Range
15-29%

Mental Effects

40 %
  • 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

60 %
  • 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.

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.

Genetics

Origin Timeline

First cultivated in 2003

Breeder

T.H. Seeds

Seed Bank

T.H. Seeds

Consumption Methods

Recommended Methods

🔥 Smoking
💨 Vaping
💎 Concentrates
💧 Tinctures

Competition Wins

first place Indica Strain

High Times Cannabis Cup 2003

Indica Strain

View Source ↗

1st place Indica

2003
View Source ↗

1st Place Indica

High Times Cannabis Cup 2003

Indica

View Source ↗

High Times Cannabis Cup winner

High Times Cannabis Cup
View Source ↗

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

78%
Data Confidence

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.

Data Quality by Section

Terpenes High (11 sources)
Effects Low (24 sources)
Lineage Medium (24 sources)
Medical Low (21 sources)
Aromas Low (24 sources)
Cannabinoids Low (22 sources)
Last updated: February 4, 2026

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