Independent · evidence-based · non-judgmentalDraft · pending medical review
Not yet medically reviewed — information on this site is in preparation and has not been verified by a medical reviewer.
Drug index / Cannabinoid / Delta-8-THC
Cannabinoid

Delta-8-THC

(6aR,10aR)-6,6,9-trimethyl-3-pentyl-6a,7,10,10a-tetrahydrobenzo[c]chromen-1-ol

Delta-8 THC is an intoxicating cannabinoid, milder than regular (delta-9) THC, usually manufactured from hemp-derived CBD and sold widely in gummies and vapes. It has occupied a post-2018-Farm-Bill legal gray area, but a 2025 federal law redefining hemp by total THC takes effect November 12, 2026 and is expected to make most delta-8 products federally illegal.

Overview

Delta-8 THC is a cannabinoid that occurs only in tiny amounts naturally, so commercial delta-8 is generally synthesized from hemp-derived CBD. It is intoxicating like regular delta-9 THC but is commonly described as somewhat milder. It surged in popularity after 2018 as a 'legal' hemp-derived alternative to marijuana, sold in gummies, vapes, and other products, often in places where marijuana itself is illegal.

Source: Congress.gov (CRS); FDA; peer-reviewed literature (NIH/PMC)

Chemistry & mechanism of action

Delta-8 THC binds to the CB1 cannabinoid receptor in the brain, the same receptor responsible for the delta-9 THC high, which is why it is intoxicating. It is generally reported to bind somewhat less strongly, consistent with a milder effect. Because commercial delta-8 is chemically converted from CBD, finished products can also contain reaction by-products and residual chemicals from that process.

Source: peer-reviewed literature (NIH/PMC); Congress.gov (CRS)

Effects

Effects resemble a milder delta-9 THC high: relaxation, euphoria, altered perception, and increased appetite, along with dry mouth, red eyes, and impaired coordination. Higher doses — easy to reach with concentrated edibles — can cause anxiety, paranoia, rapid heart rate, and, especially in edible form, severe over-intoxication. Onset and duration vary by product and route.

Source: peer-reviewed literature (NIH/PMC); FDA

Risks & harms

Delta-8's risks come from both the drug and how it is made. Like delta-9 THC it can cause anxiety, paranoia, rapid heart rate, impaired coordination, and, at the high doses reachable with edibles, severe over-intoxication requiring medical attention — a particular danger for children, who have been hospitalized after eating delta-8 products packaged to look like ordinary candy or snacks. Because most delta-8 is chemically synthesized from CBD in poorly regulated facilities, products frequently contain unknown reaction by-products, residual solvents and reagents, heavy metals, or unlabeled amounts of delta-9 THC, and independent testing repeatedly finds mislabeled potency. The FDA has warned about adverse-event reports and accidental pediatric exposures. It is not a benign 'legal weed'; content and purity cannot be assumed. Keep these products away from children; if a child ingests one, or anyone has severe distress, chest pain, or cannot be roused, call 911, and Poison Control at 1-800-222-1222 can advise. This page has not yet been medically reviewed.

Source: FDA; peer-reviewed literature (NIH/PMC); Congress.gov (CRS)

Images

Visual references coming soon.

If it’s too intense

If an experience becomes overwhelming, the goal is to stay safe and let it pass — most difficult experiences ease as the drug wears off.

  • Get to a calm, safe space with someone you trust who is sober and can stay with you.
  • Cool down if you’re overheating — move somewhere cool, remove extra layers, rest. Overheating is especially a risk with stimulants and MDMA.
  • Sip water to thirst — but don’t over-hydrate. Drinking large amounts of plain water (especially after MDMA) can dangerously dilute your blood sodium (hyponatremia). Electrolytes help more than volume.
  • Slow your breathing — long, slow exhales help settle a racing heart and anxiety.
  • A sugary drink, fruit juice, or a snack can ease shakiness and the anxiety that comes with low blood sugar.
  • Do not take more, and do not add another substance to manage it. Redosing or adding something else (including a sedative like a benzodiazepine) can make things worse, not better.

With cannabis, anxiety or a racing heart usually pass with time. Sit somewhere calm, sip water, and rest — strong edibles in particular can take hours to ease.

Call 911 (or Poison Control, 1-800-222-1222) right away for chest pain, a very high body temperature, a seizure, unconsciousness, or severe confusion. These are medical emergencies, not something to wait out.

Source: general harm-reduction guidance from SAMHSA, NIH/NIDA, and MedlinePlus, in our own words. Draft — not yet medically reviewed.

Forensic dossier

Draft · every field is source-cited or marked “Unknown — pending review”

Identity

IUPAC name
(6aR,10aR)-6,6,9-trimethyl-3-pentyl-6a,7,10,10a-tetrahydrobenzo[c]chromen-1-olPubChem PUG-REST · retrieved 2026-06-18
SMILES
CCCCCC1=CC(=C2[C@@H]3CC(=CC[C@H]3C(OC2=C1)(C)C)C)OPubChem PUG-REST · retrieved 2026-06-18
InChIKey
HCAWPGARWVBULJ-IAGOWNOFSA-NPubChem PUG-REST · retrieved 2026-06-18
Synonyms / aliases
d8, delta-8-tetrahydrocannabinol, DELTA8-Tetrahydrocannabinol, delta8-THC, delta-6-THC, delta6-THC, 8-Tetrahydrocannabinol, .delta.6-THC, .DELTA.8-Tetrahydrocannabinol, delta6-Tetrahydrocannabinol, delta(sup 6)-ThcPubChem PUG-REST + seed aliases · retrieved 2026-06-18

Composition

Composition
N/A — single compound (see Identity)

Physical / pill characteristics

Dosage form
Unknown — pending review (no Rx/OTC label; illicit — pill visuals = FIRST-PARTY submissions only, never generated or scraped)
Route
Unknown — pending review
Shape
Unknown — pending review
Color
Unknown — pending review
Imprint
Unknown — pending review
Score
Unknown — pending review

Scheduling & legal status

US schedule
Unknown — pending review
International
Unknown — pending review

Effects, risks & interactions

Effects
Delta-8-THC is a THC isomer — chemically almost identical to the delta-9-THC that makes cannabis intoxicating, acting on the same CB1 receptors, but generally milder and somewhat less potent. It occurs only in trace amounts in the cannabis plant, so commercial delta-8 is almost always made by chemically converting CBD extracted from hemp. Users describe a lighter, more clear-headed "high" than delta-9, with relaxation and euphoria. It rose to popularity through a legal loophole around hemp-derived products.PubChem CID 638026 · retrieved 2026-06-18
Risks
Delta-8's core risk is not its comparatively mild direct effect but how it is made and sold. Because it is produced by chemically converting hemp CBD, the finished products can carry leftover reaction chemicals, acids and unidentified byproducts, and the unregulated market routinely mislabels potency and purity. Like delta-9 it impairs coordination and thinking and can cause anxiety and a raised heart rate, and — with edibles especially — accidental overconsumption is common. The upshot: a delta-8 product's actual contents and strength cannot be assumed, and its manufacturing contaminants are a hazard distinct from cannabis itself.PubChem CID 638026 · retrieved 2026-06-18
Interactions
Unknown — pending review

Dosage

Pending medical reviewer

Sources

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