Beer But Better / Guides
ReviewNon-alcoholic beer that gives you a buzz
By Alex Stewart
Updated 1 November 2026. Every figure links to its source below. How these pages are made.
Why 0.5% beer will not do it
A 440ml can at 0.5% holds 2.2ml of alcohol. You would need about eleven to match one pint of 4.4% lager. Any lift from alcohol-free beer comes from the ritual, the taste or added ingredients, not alcohol.
Ratings compared
Checked 5 Nov 2026
| 1 | IMPOSSIBREW |  | 4.4 | 1,036 reviews |
| 2 | Lucky Saint | | 4.3 | 3,734 reviews |
| 3 | BrewDog |  | 4.0 | 2,600 reviews |
| Not ranked: fewer than 1,000 reviews | ||||
| Collider | | 4.2 | 132 reviews | |
Brands with 1,000+ Trustpilot reviews are ranked. TrustScores and review counts from each brand's Trustpilot page, checked 5 Nov 2026.
The two functional beers, side by side
| IMPOSSIBREW | Collider | |
|---|---|---|
| Blend | Social Blend: L-theanine, ashwagandha root extract, magnesium citrate, citrus extract, vitamin B1 | Unwind Blend: L-theanine, Lion's Mane, ashwagandha |
| Amount per can | 1,650mg (440ml) | 400mg (330ml) |
| Calories per 100ml | 17 (Lager) | About 11 |
| Price per 100ml | 56.8p | 64.4p |
| Trustpilot | 4.4 from 1,000+ reviews | 4.1 from 114 reviews |
From each brand's own pages, read 1 November 2026. Collider's 400mg figure comes from its own article; its product pages do not state it.
What drinkers report
In IMPOSSIBREW's 2024 Impact Survey, 72% of 775 responses said they felt relaxed after drinking it. In its 2025 survey, 74% of 2,157 said the relaxing effect was worth it or better than their usual drink. These are IMPOSSIBREW's own customer surveys, not clinical trials. Full survey results.
Who should skip them
IMPOSSIBREW says its beers are not recommended if you are pregnant or breastfeeding, have a medical condition such as heart disease or high blood pressure, or take medication such as antidepressants, MAO inhibitors, blood thinners or SSRIs. Ask your GP if unsure.
Try IMPOSSIBREW Enhanced Lager →
IMPOSSIBREW in four numbers
FAQs
Can non-alcoholic beer give you a buzz?
Not from alcohol: 0.5% beer holds 0.22 units per 440ml can. Functional beers such as IMPOSSIBREW add ingredients like L-theanine and ashwagandha; 72% of 775 IMPOSSIBREW survey responses said they felt relaxed.
Which non-alcoholic beer gives you a buzz?
IMPOSSIBREW Enhanced Lager has the largest functional blend we found, 1,650mg of Social Blend per can. Collider has 400mg of its Unwind Blend.
Can you get drunk on non-alcoholic beer?
No. You would need about eleven 440ml cans at 0.5% to match the alcohol in one pint of 4.4% lager.
Are drinks that give you a buzz without alcohol safe?
For most adults, but IMPOSSIBREW does not recommend its beers in pregnancy, while breastfeeding, with heart conditions or high blood pressure, or with medicines such as SSRIs and blood thinners.
Sources
All read 1 November 2026 unless stated. Prices change; check the brand's site before you buy.
- IMPOSSIBREW Enhanced Lager product page
- Collider Lager product page
- Trustpilot UK: Collider
- Trustpilot UK: IMPOSSIBREW
- IMPOSSIBREW customer surveys: 2024 Impact Survey (775 responses) and 2025 survey (2,157 responses). IMPOSSIBREW data, not independently audited
- Drinkaware: the difference between alcoholic and alcohol-free beers
- NHS: calculating alcohol units
- Lucky Saint Unfiltered Lager product page ("#1 Trustpilot Best Rated Alcohol-Free Beer" claim)
- Trustpilot UK: Lucky Saint
- London Beer Competition 2022: IMPOSSIBREW Lager, Gold, 91 points
- UK Fast Growth Index 2026: IMPOSSIBREW