Indica THC 18–22% CBD 4–8%

Critical Mass

THC 18–22%

CBD 4–8%

Critical Mass is a heavy indica with notable CBD content. Prescribed for chronic pain, insomnia and muscle spasms.

Myrcene Caryophyllene Limonene

18–22%

THC

4–8%

CBD

Indica

Type

Products Available

Effects

Relaxed Sleepy Happy Hungry

Flavour Profile

Sweet Earthy Citrus

Terpene Profile

Myrcene

Earthy, musky, sedating

Caryophyllene

Spicy, anti-inflammatory

Limonene

Citrus, uplifting

Price Comparison — Where to Buy in the UK

Prices from registered UK medical cannabis prescribers. Sorted cheapest first.

Product	Brand	Form	Weight	THC	Price	Per gram
Grow Pharma T20 CBD	Grow Pharma	flower	5g	20%	£48.00 Best Deal	£9.60/g	View →
Grow Pharma T20 CBD	Grow Pharma	flower	5g	20%	£50.00	£10.00/g	View →
Grow Pharma T20 CBD	Grow Pharma	flower	5g	20%	£51.00	£10.20/g	View →

Products Using Critical Mass

All available UK prescription products from this strain

All products →

Flower

Grow Pharma T20 CBD

Grow Pharma £9.60/g

3 prescribers

Compare Prices →

Similar Indica Strains

Patient Journey

How to Get a Medical Cannabis Prescription

Entirely online — no GP referral needed. Most patients prescribed within 5–10 days.

Check Your Eligibility

Chronic pain, PTSD, anxiety, insomnia or 10+ other qualifying conditions. Two failed standard treatments required. Free 2-minute eligibility check.

Check Conditions →

Book Online Consultation

Choose a licensed UK specialist. Compare fees from £0 to £199. Video appointment typically within 1–5 working days — accept patients from the UK.

Compare Clinics →

Receive & Compare Prices

Prescription sent digitally to a licensed pharmacy. Delivery UK-wide. Use LeafMe to compare prices across all dispensaries before you order — save up to 40%.