Four20 Pharma Natural T18
This is the name on the prescription.How to read this nameStrainGorilla Glue #4
Four20 Pharma Natural T18 is a medical cannabis flower from Four20 Pharma, available in the UK on prescription only. Its strain is Gorilla Glue #4 (sativa hybrid). Its label gives THC 16.2 to 19.8% and CBD <1%. Its list price is £8.50 a gram; pharmacies set their own prices.
Recommended price
£8.50/g
Gorilla Glue #4
Four20 Pharma
What this product is called
- Brand
- Four20 Pharma
- Strain name
- Gorilla Glue #4
- Medical product name
- Natural T18
The strain name is what most people call it. The medical product name is what appears on the prescription and the pharmacy label.
Gorilla Glue #4 by Four20 Pharma, a non-irradiated medical cannabis flower with 18% THC and <1% CBD. Cultivated in Canada, packaged in Germany. RRP: £8.50/g.
Cannabinoids
Percentage of the dried flower by weight, shown as the range listed for the product
- THC
- 16.2 to 19.8%
- CBD
- <1%
Chemotype: Type I: High THC What is a chemotype?
Terpenes What are these?
The aromatic compounds listed for this product. Amounts are not published, only which are major and minor.
Major
Myrcene
Herbal/Musk
Limonene
Citrus/Sour
Caryophyllene
Spice/Gas
Strain info
- Strain
- Gorilla Glue #4
- Classification
- Sativa HybridWhat this means
- Parent strains
- Chem Sis (Sativa) x Sour Dubb (Hybrid) x Chocolate Diesel (Sativa)
Product facts
- Form
- Trimmed Whole Flower
- Irradiation
- Non-Irradiated
- Grown in
- Canada
- Packaged in
- Germany
Supply chain What the roles mean
The companies named for this product, from grower to pharmacy
- Four20 Pharma
Brand
Sold under this name
- Northern Green Canada
Cultivator
Grew it
Pack sizes and prices
Listed prices as of March 2026. Pharmacies set their own prices, so check before you order.
| Pack size | Price | Per gram |
|---|---|---|
| 10g | £64.00 | £6.40 |
| 15g | £67.50 | £4.50 |
| 30g | £192.00 | £6.40 |
| 45g | £465.00 | £10.33 |
| 60g | £599.00 | £9.98 |
How much is in one gram
One gram of this flower contains about 162 to 198mg of THC and up to 10mg of CBD.
Worked out from the strength on the label. This is arithmetic, not dosing advice: follow the dose your prescriber gave you.
What patients paid
No one has reported a price for this product yet.
Bought this recently? Tell other patients what you paidSimilar products
If Four20 Pharma Natural T18 is out of stock, these are the closest on type, strength and terpenes. That is a comparison of what is on the label, not advice. Only your prescriber can decide whether a different product is right for you, and changing product needs a new prescription.
- Tilray® T18
Gorilla Glue #4
THC 16.2-19.8% · CBD <1%
- Same strain, different producer
- Similar THC
- Shares myrcene, limonene, caryophyllene
- Also sativa hybrid
No recent stock reports
Check stock - Noidecs T18
Gorilla Glue #4
THC 16.2-19.8% · CBD 1%
- Same strain, different producer
- Similar THC
- Shares myrcene, limonene, caryophyllene
- Also sativa hybrid
No recent stock reports
Check stock - Noidecs T21
Gorilla Glue #4
THC 18.9-23.1% · CBD <1%
- Same strain, different producer
- Shares myrcene, limonene, caryophyllene
- Also sativa hybrid
No recent stock reports
Check stock - Noidecs GG T21
Gorilla Glue #4
THC 18.9-23.1% · CBD <1%
- Same strain, different producer
- Shares myrcene, limonene, caryophyllene
- Also sativa hybrid
No recent stock reports
Check stock - Noidecs T19
Gorilla Glue #4
THC 17.1-20.9% · CBD 1%
- Same strain, different producer
- Similar THC
- Shares myrcene, caryophyllene
- Also sativa hybrid
No recent stock reports
Check stock - Northern Green Canada Serenity T22
Gorilla Glue #4
THC 19.8-24.2% · CBD <1%
- Same strain, different producer
- Shares myrcene, limonene, caryophyllene
- Also sativa hybrid
No recent stock reports
Check stock
Reviews
Pricing
per gram, recommended retail price
Discontinued
National availability, may be out of date