Strain experience guide
MK Ultra
Also known as MK Ultra OG, MKU, MK-Ultra
MK Ultra is a legendary indica-dominant hybrid (G13 x OG Kush) bred by T. H. Seeds in the early 2000s, prized for its intensely sedating, couch-locking effects. With earthy, piney, diesel aromas driven by myrcene and caryophyllene, it delivers deep relaxation, euphoria, and eventual sleepiness. A multiple Cannabis Cup winner, it's a nighttime strain best suited for experienced users seeking serious rest. Read more Show less
Quick Hits
What kind of high is MK Ultra?
An indica-dominant hybrid reported as relaxed, sleepy and euphoric. Picked for sleep & bedtime and watching tv/movies at night. The profile features sweet pine flavor, earthy pine aroma and myrcene as the lead terpene.
Terpenes help give cannabis its aroma. Compare citrus, pine and earthy notes to find what appeals to you. The profile offers clues, not a guaranteed high.
Terpene percentages belong to the jar, not the strain. They move with harvest timing, drying, cure and shelf age — the lighter ones literally evaporate. What holds steady is which terpenes lead, so that is what we rank.
Research associations
- Sedating
- Muscle relaxant
- Anti inflammatory
General terpene associations, not effects confirmed for this strain. Evidence varies.
- Caryophyllene Spicy, peppery, woody
- Limonene Citrus, lemon, orange
Ordered by measured share — the exact percentages shift with every batch and cure.
Reported effects, at a glance. Dose, tolerance and setting can change the experience.
- Sleepy
- Euphoric
Ideas for your next session, drawn from strain reports. Find what fits your plans.
See the full list →What to look for when you open the jar, based on descriptions of this strain.
See the full profile →- Diesel
The reported taste, from the first impression to the finish. The batch and how you consume it can change what comes through.
See the full profile →- Earthy
- Best Time Night
- Era 2003
- Rarity Common
Genetics Indica-Dominant Hybrid A guide to lineage, not a reliable predictor of the high.
Potency Check the label, not the strain Varies by batch, grower and harvest — check the label on the product you are buying. Scan your label → Reported ranges →
Heads up Reported: dry mouth and dry eyes. Responses vary — start low, go slow. Review safety →
Worth knowing
The details that shape the experience
This strain has its own song — hit play, read along, and chill out.
MK Ultra Soundtrack
AI-generated for this strain
MK Ultra Soundtrack
Verse
Chorus
Verse
Chorus
Bridge
The memorable details
- Legendary G13 x OG Kush cross bred by T.H. Seeds, famous for intense full-body sedation
- Myrcene and caryophyllene-driven profile delivers deep relaxation and pain-relief potential
- Multiple Cannabis Cup winner including 1st Place Indica at the 2003 High Times Cup
- Earthy, piney, diesel aroma with sweet and citrus undertones on the exhale
Explore the full profile Complete experience record
Mind, body, and energy
Best enjoyed during night
Deep relaxation and sleep
Activities people choose it for
Effect Sources
- 1 aka MK Ultra OG, MKU - Weed Strains leafly.com(opens in new tab)
- 2 MK Ultra Strain (G13 × OG Kush) strainpedia.com(opens in new tab)
- 3 MK-Ultra™ Feminized Seeds thseeds.com(opens in new tab)
- 4 MK-Ultra - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 5 MK Ultra Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 6 MK Ultra hellomd.com(opens in new tab)
- 7 MK Ultra Marijuana Strain - Kind Green Buds kindgreenbuds.com(opens in new tab)
- 8 MK Ultra Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 9 Mk-Ultra (TH Seeds) — Strain Info | PhenoDB phenodb.eu(opens in new tab)
- 10 MK Ultra Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 11 MK Ultra Strain Review: Potency, Flavor, and Cultivation Tips strngseeds.com(opens in new tab)
- 12 MK Ultra Cannabis: Potent Effects, Powerful Benefits, and Where to Buy It Online - MMJ Express mmjexpress.cc(opens in new tab)
- 13 Diving Deep: An In-Depth MK Ultra Strain Review - Cannabis Wisdom cannabiswisdom.com(opens in new tab)
- 14 Mk-Ultra (TH Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 15 MK Ultra (Herbies Seeds) - Herbies Seeds USA herbiesheadshop.com(opens in new tab)
- 16 MK Ultra Strain Guide: Inside Canada's Most Hypnotic Indica bulkweedinbox.cc(opens in new tab)
- 17 MK Ultra Feminized Marijuana Seeds | Crop King Seeds cropkingseeds.com(opens in new tab)
- 18 MK Ultra - Effects, Terpenes & Queens Availability terpbrosnyc.com(opens in new tab)
- 19 MK Ultra Cannabis Strain Diaries growdiaries.com(opens in new tab)
- 20 MK Ultra Seeds | 20% THC | Buy Feminized Seeds blimburnseeds.com(opens in new tab)
20 verified sources
Therapeutic reports
Medical Effect Sources
- 1 aka MK Ultra OG, MKU - Weed Strains leafly.com(opens in new tab)
- 2 MK-Ultra - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 3 MK Ultra Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 4 MK Ultra hellomd.com(opens in new tab)
- 5 MK Ultra Marijuana Strain - Kind Green Buds kindgreenbuds.com(opens in new tab)
- 6 MK Ultra Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 7 MK Ultra Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 8 MK Ultra Strain Review: Potency, Flavor, and Cultivation Tips strngseeds.com(opens in new tab)
- 9 MK Ultra Cannabis: Potent Effects, Powerful Benefits, and Where to Buy It Online - MMJ Express mmjexpress.cc(opens in new tab)
- 10 Diving Deep: An In-Depth MK Ultra Strain Review - Cannabis Wisdom cannabiswisdom.com(opens in new tab)
- 11 Mk-Ultra (TH Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 12 MK Ultra (Herbies Seeds) - Herbies Seeds USA herbiesheadshop.com(opens in new tab)
- 13 MK Ultra Strain Guide: Inside Canada's Most Hypnotic Indica bulkweedinbox.cc(opens in new tab)
- 14 MK Ultra Feminized Marijuana Seeds | Crop King Seeds cropkingseeds.com(opens in new tab)
- 15 MK Ultra Cannabis Strain Diaries growdiaries.com(opens in new tab)
- 16 MK Ultra Seeds | 20% THC | Buy Feminized Seeds blimburnseeds.com(opens in new tab)
16 verified sources
Mental Effects
- •Stress Relief
Reduces mental tension and racing thoughts effectively
- •Anxiety Reduction
Calms anxiety symptoms without heavy cognitive impairment
- •Depression Support
Elevates mood and reduces depressive symptoms
- •PTSD Management
Alleviates PTSD symptoms and emotional distress
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and general body discomfort
- •Sleep Support
Promotes deep sleep and reduces insomnia symptoms
- •Muscle Relaxation
Eases muscle spasms and tension throughout body
- •Inflammation Reduction
Decreases inflammatory response in joints and tissues
- •Appetite Stimulation
Increases appetite for users experiencing nausea
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.
Side effects and safer use
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.
Keep listening Music neighborhood
Sound neighborhood
Follow MK Ultra into Entourage High music.
TIWIH classifies this strain within the Entourage High chemistry pattern. Separately, our editorial music map associates the same family with these sounds. It is a creative bridge—not a prediction or artist endorsement.
Open the jar
Aroma, flavor, and chemistry
Look closer Full sensory specimen
Aroma and flavor
Aroma & Flavor Sources
- 1 aka MK Ultra OG, MKU - Weed Strains leafly.com(opens in new tab)
- 2 MK Ultra Strain (G13 × OG Kush) strainpedia.com(opens in new tab)
- 3 MK-Ultra™ Feminized Seeds thseeds.com(opens in new tab)
- 4 MK-Ultra - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 5 MK Ultra Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 6 MK Ultra hellomd.com(opens in new tab)
- 7 MK Ultra Marijuana Strain - Kind Green Buds kindgreenbuds.com(opens in new tab)
- 8 MK Ultra Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 9 Mk-Ultra (TH Seeds) — Strain Info | PhenoDB phenodb.eu(opens in new tab)
- 10 MK Ultra Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 11 MK Ultra Strain Review: Potency, Flavor, and Cultivation Tips strngseeds.com(opens in new tab)
- 12 MK Ultra Cannabis: Potent Effects, Powerful Benefits, and Where to Buy It Online - MMJ Express mmjexpress.cc(opens in new tab)
- 13 Diving Deep: An In-Depth MK Ultra Strain Review - Cannabis Wisdom cannabiswisdom.com(opens in new tab)
- 14 Mk-Ultra (TH Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 15 MK Ultra (Herbies Seeds) - Herbies Seeds USA herbiesheadshop.com(opens in new tab)
- 16 MK Ultra Strain Guide: Inside Canada's Most Hypnotic Indica bulkweedinbox.cc(opens in new tab)
- 17 MK Ultra Feminized Marijuana Seeds | Crop King Seeds cropkingseeds.com(opens in new tab)
- 18 MK Ultra - Effects, Terpenes & Queens Availability terpbrosnyc.com(opens in new tab)
- 19 MK Ultra Cannabis Strain Diaries growdiaries.com(opens in new tab)
- 20 MK-Ultra [T.H. Seeds] | € 21,25 cannapot.com(opens in new tab)
- 21 MK Ultra Seeds | 20% THC | Buy Feminized Seeds blimburnseeds.com(opens in new tab)
21 verified sources
Aromas
Flavors
Terpene profile
Terpene Sources
- 1 aka MK Ultra OG, MKU - Weed Strains leafly.com(opens in new tab)
- 2 MK Ultra Strain (G13 × OG Kush) strainpedia.com(opens in new tab)
- 3 MK-Ultra - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 4 MK Ultra Marijuana Strain - Kind Green Buds kindgreenbuds.com(opens in new tab)
- 5 MK Ultra Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 6 MK Ultra Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 7 MK Ultra Strain Review: Potency, Flavor, and Cultivation Tips strngseeds.com(opens in new tab)
- 8 MK Ultra Cannabis: Potent Effects, Powerful Benefits, and Where to Buy It Online - MMJ Express mmjexpress.cc(opens in new tab)
- 9 MK Ultra (Herbies Seeds) - Herbies Seeds USA herbiesheadshop.com(opens in new tab)
- 10 MK Ultra Strain Guide: Inside Canada's Most Hypnotic Indica bulkweedinbox.cc(opens in new tab)
- 11 MK Ultra - Effects, Terpenes & Queens Availability terpbrosnyc.com(opens in new tab)
- 12 MK Ultra Seeds | 20% THC | Buy Feminized Seeds blimburnseeds.com(opens in new tab)
12 verified sources
Terpene Distribution
Terpene profile: Myrcene 0.8%, Caryophyllene 0.6%, Limonene 0.4% .
Myrcene Dominant
Flavor: Earthy, musky, fruity
Full Profile
Myrcene
0.85%
Flavor Profile:
Earthy, musky, fruity
Effects:
Caryophyllene
0.55%
Flavor Profile:
Spicy, peppery, woody
Effects:
Limonene
0.4%
Flavor Profile:
Citrus, lemon, orange
Effects:
Batch context Complete cannabinoid record
There’s more to a strain than THC%.
THC percentage is a property of the product in your hand, not of the strain. It shifts with the batch, the grower, the harvest, and how the flower was cured and stored — the same strain can test several points apart from two different jars.
Treat the ranges below as market context for what to expect on a shelf — then read the actual label on the product you are buying, and use the terpene profile to judge how it will feel.
High THC (>15%), low CBD (<1%) - Most common recreational strains
03 · AI interpretation
Professor High interprets the pattern
The moment this one hits, you feel the euphoria wash in fast — bright, warm, almost giddy. But don't get comfortable thinking it's a head-only ride. Within minutes, that myrcene-driven heaviness creeps into your limbs like a slow tide pulling you under. Your muscles loosen, your thoughts soften, and that pine-diesel exhale lingers on your tongue as your body starts negotiating with gravity.
This is a full sedation experience — the kind where creative sparks flicker early but get gently smothered by an irresistible wave of sleepiness. I feel hungry, content, and increasingly horizontal. There's no fighting it once caryophyllene's peppery undertow and that thick myrcene backbone take hold. By the peak, conversation slows to a mumble and the couch becomes a permanent address. This is not a 'do things' high — it's a 'become one with the blanket' high, and honestly, that's exactly the point.
Read this as an interpretation of the profile—not clinical advice, a product rating, or a guarantee.
Learn more with AI
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Go deeper
The helpful detail
MK Ultra: The Legendary Sedative Indica
Few strains carry a reputation as fearsome as MK Ultra. Named after the infamous CIA mind-control program, this indica-dominant powerhouse earned its cult status by delivering one of the most heavily sedating cerebral-to-couch experiences in cannabis. Bred by T.H. Seeds in the early 2000s, MK Ultra isn't a strain you casually reach for during the day — it's built for total shutdown.
🧬 Genetic Heritage & Lineage
MK Ultra was created by crossing G13 and OG Kush — two of cannabis's most storied genetic lines. G13 contributes deep, hypnotic body weight and mysterious underground lore of its own, while OG Kush brings its signature earthy-pine backbone and potent psychoactive punch. The result is an 80% Indica / 20% Sativa hybrid classified as a Type II chemovar, meaning it carries a balanced but THC-forward cannabinoid profile. First released by T.H. Seeds around 2003, MK Ultra (also known as MK Ultra OG or MKU) quickly became a benchmark strain for indica intensity.
👃 Terpene Profile & Aromatics
Lab-tested data confirms MK Ultra's terpene profile is led by:
- Myrcene (0.85%) — the dominant terpene responsible for the strain's signature sedative, couch-locking body effect
- Caryophyllene (0.55%) — a peppery, spicy terpene known for its interaction with CB2 receptors, contributing to the strain's pain-relieving potential
- Limonene (0.4%) — a citrus-forward terpene that lifts mood and adds brightness to an otherwise heavy profile
Together these terpenes (roughly 1.8% total terpene content) create a complex aroma of earthy, piney, and diesel notes layered over woody, sweet, and skunky undertones, with hints of spicy and pungent funk rounding out the nose.
👅 Flavor Experience
The flavor mirrors the aroma closely but adds a few extra dimensions on the exhale. Expect an initial hit of earthy and pine flavor, moving into diesel and woody mid-notes, before finishing on sweet, citrus, and even faintly minty or herbal tones. The spicy and skunky finish lingers well after the smoke clears, marking this as a strain with real depth on the palate.
🎯 Effects & Experience
MK Ultra is famous for one thing above all: heavy sedation. Users consistently report a wave of relaxation and euphoria that builds quickly, followed by a drift into sleepiness that can be difficult to fight. Along the way, many notice a happy, creative, or even mildly focused mental state before the body effects take over completely. The hungry effect commonly kicks in as well, making this a strong candidate for appetite support. With THC levels ranging from 17% to 25%, potency varies by phenotype and batch, so dosing matters — this is not a strain to underestimate.
🎮 Use Cases & Activities
Given its intensity, MK Ultra is best reserved for nighttime use when there's nowhere left to be. It pairs well with:
- Winding down after a long day
- Deep relaxation or meditative rest
- Managing chronic muscle tension
- Settling into sleep
This is not a productivity or social strain — it's a full-stop, end-of-day companion.
💚 Medical & Therapeutic Potential
MK Ultra's heavy myrcene and caryophyllene content underpin its therapeutic reputation. Users report it may help with:
- Pain management — caryophyllene's CB2 activity may support relief from chronic discomfort
- Sleep support — myrcene's sedative properties may ease insomnia
- Muscle relaxation — may ease spasms and physical tension
- Stress and anxiety relief — the calming body-forward high may quiet racing thoughts
- Mood support — some report relief from depressive symptoms and PTSD-related distress
🏆 Awards & Recognition
MK Ultra's award history reflects two decades of consistent recognition:
- 1st Place Indica — High Times Cannabis Cup, 2003
- 2nd Place — High Times Cannabis Cup, 2004
- 2nd Place Indoor — La Bella Flor Cup, 2007
- Indica Category — The Karma Cup, 2015
⚠️ Consumer Considerations
MK Ultra is best suited for experienced consumers comfortable with high-potency, heavily sedating indicas. Novices should approach with caution given its reputation for locking users to the couch. Common considerations include dry mouth, dry eyes, occasional dizziness, and in sensitive users, a touch of anxiety — all manageable with hydration and a low-and-slow dosing approach.
Where it comes from Origins and lineage
Lineage Sources
- 1 aka MK Ultra OG, MKU - Weed Strains leafly.com(opens in new tab)
- 2 MK Ultra Strain (G13 × OG Kush) strainpedia.com(opens in new tab)
- 3 MK-Ultra™ Feminized Seeds thseeds.com(opens in new tab)
- 4 MK-Ultra - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 5 MK Ultra Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 6 MK Ultra hellomd.com(opens in new tab)
- 7 MK Ultra Marijuana Strain - Kind Green Buds kindgreenbuds.com(opens in new tab)
- 8 MK Ultra Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 9 Mk-Ultra (TH Seeds) — Strain Info | PhenoDB phenodb.eu(opens in new tab)
- 10 MK Ultra Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 11 MK Ultra Strain Review: Potency, Flavor, and Cultivation Tips strngseeds.com(opens in new tab)
- 12 MK Ultra Cannabis: Potent Effects, Powerful Benefits, and Where to Buy It Online - MMJ Express mmjexpress.cc(opens in new tab)
- 13 Diving Deep: An In-Depth MK Ultra Strain Review - Cannabis Wisdom cannabiswisdom.com(opens in new tab)
- 14 Mk-Ultra (TH Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 15 MK Ultra (Herbies Seeds) - Herbies Seeds USA herbiesheadshop.com(opens in new tab)
- 16 MK Ultra Strain Guide: Inside Canada's Most Hypnotic Indica bulkweedinbox.cc(opens in new tab)
- 17 MK Ultra Feminized Marijuana Seeds | Crop King Seeds cropkingseeds.com(opens in new tab)
- 18 MK Ultra - Effects, Terpenes & Queens Availability terpbrosnyc.com(opens in new tab)
- 19 MK Ultra Cannabis Strain Diaries growdiaries.com(opens in new tab)
- 20 MK-Ultra [T.H. Seeds] | € 21,25 cannapot.com(opens in new tab)
- 21 MK Ultra Seeds | 20% THC | Buy Feminized Seeds blimburnseeds.com(opens in new tab)
- 22 Mk-Ultra Kush | Master of Seeds masterofseeds.com(opens in new tab)
22 verified sources
MK Ultra is an indica-dominant hybrid strain created by crossing G13 and OG Kush, two legendary cannabis genetics. The strain originated in the early 2000s and became known for its powerful sedative effects and high potency.
Origin Timeline
First cultivated in 2003
Breeder
T.H. Seeds
Seed Bank
T.H. Seeds
On the record Awards and recognition
Award Sources
- 1 aka MK Ultra OG, MKU - Weed Strains leafly.com(opens in new tab)
- 2 MK-Ultra™ Feminized Seeds thseeds.com(opens in new tab)
- 3 MK-Ultra - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 4 Mk-Ultra (TH Seeds) — Strain Info | PhenoDB phenodb.eu(opens in new tab)
- 5 MK Ultra Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 6 MK Ultra Strain Review: Potency, Flavor, and Cultivation Tips strngseeds.com(opens in new tab)
- 7 MK Ultra Cannabis: Potent Effects, Powerful Benefits, and Where to Buy It Online - MMJ Express mmjexpress.cc(opens in new tab)
- 8 Mk-Ultra (TH Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 9 MK Ultra (Herbies Seeds) - Herbies Seeds USA herbiesheadshop.com(opens in new tab)
- 10 MK Ultra Strain Guide: Inside Canada's Most Hypnotic Indica bulkweedinbox.cc(opens in new tab)
- 11 MK Ultra - Effects, Terpenes & Queens Availability terpbrosnyc.com(opens in new tab)
- 12 MK-Ultra [T.H. Seeds] | € 21,25 cannapot.com(opens in new tab)
- 13 MK Ultra Seeds | 20% THC | Buy Feminized Seeds blimburnseeds.com(opens in new tab)
13 verified sources
Competition Wins
2nd · La Bella Flor Cup · 2007 · Indoor
Indoor
View Source (opens in new tab) ↗1st place for Best Indica
Best Indica
View Source (opens in new tab) ↗1st place in the Indica category at the 2003 Cannabis Cup
Indica
View Source (opens in new tab) ↗Watch Reviews and videos
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Evidence and limits
Research notes
This profile assembles public facts in original language, links its supporting sources, and keeps gaps or disagreements visible. It is research provenance—not product or lab certification.
- Linked sources
- 24
- Sourced sections
- 9
- Claims under review
- 78
- Profile updated
- Sep 14, 2026
Research Edition Current profile edition
Updated September 14, 2026 · 9 profile areas with section-level sourcing Featured research profile
This edition records This Is Why I'm High’s synthesis of published information about MK Ultra. It describes source-supported patterns and uncertainty; it does not certify genetics, potency, safety, or any product batch.
- Profile sources
- 24
- Research evidence confidence
- 76%
- Edition date
- September 14, 2026
Evidence confidence summarizes source coverage and consistency for this profile synthesis. It is not a product rating, potency score, or guarantee about any batch.
Source coverage in this edition
- Classification 22 sources
- Lineage 22 sources
- Cannabinoids 18 sources
- Terpenes 12 sources
- Reported effects 20 sources
- Aromas 21 sources
- Flavors 21 sources
- Reported medical uses 16 sources
- Awards 13 sources
History tracking is active
Material changes are recorded as new editions using factual categories and source metadata. Source article prose and reviews are not copied into the history.
Research context What published research says
What does the research say about MK Ultra?
MK Ultra is a indica cannabis strain containing up to 25.0% THC, with a terpene profile dominated by Myrcene and Caryophyllene. This page currently has good data confidence. Below are profile sources when available plus authoritative resources for understanding the compounds in this strain.
Terpene Research
Cannabinoid Information
Cannabis Regulations & Safety
Educational resources only — not medical advice. Always consult a qualified clinician for health decisions.
Power-user detail Open sources and methodology
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 24 published sources covering 'MK Ultra'. Our research pipeline cross-references these sources and reports how strongly they agree — see the confidence breakdown below.
Data Quality by Section
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Flag a name, lineage, source, image, or chemistry issue for private editorial review.