NOW Foods Glycine Pure Powder vs Bulk Glycine Powder
Side-by-side AI analysis based on real user reviews from Reddit, Amazon, YouTube & more.
Score Comparison
|
NOW Foods Glycine Pure Powder
NOW Foods
|
Bulk Glycine Powder
Bulk
|
|
|---|---|---|
| Overall Score | 9 | 8 |
| Effectiveness |
8/10
Best
|
8/10
Best
|
| Ingredient Quality |
10/10
Best
|
9/10 |
| Value for Money |
10/10
Best
|
10/10
Best
|
| Side Effects |
10/10
Best
|
10/10
Best
|
| Certifications |
7/10
Best
|
5/10 |
| Best Price | £23.22 |
£4.99
Cheapest
|
| Form | Powder | Powder |
| Dose | 1000mg glycine per serving | 3000mg glycine per serving |
| Third-Party Tested | ✓ Yes | ✓ Yes |
| Reviews Analysed | 3 | 2 |
NOW Foods Glycine Pure Powder
Pros
- +Pure amino acid with zero fillers or additives
- +454g tub lasts 5+ months at clinical 3g dose
- +Strong clinical evidence for sleep quality improvement
- +Pleasant naturally sweet taste
Cons
- -Requires measuring out powder — less convenient than capsules
- -1g serving size on label is sub-clinical (3g needed for sleep)
- -Powder format not travel-friendly
Best For
Bulk Glycine Powder
Pros
- +Cheapest pure glycine available in the UK
- +500g pouch — over five months at 3g per day
- +Clinical 3g serving size on the label
- +UK manufactured with zero additives
Cons
- -Pouch packaging less convenient than a tub
- -Only GMP certified — fewer certifications than NOW Foods
- -No scoop included — need to weigh or estimate
Best For
AI Comparison Analysis
NOW Foods Glycine Pure Powder vs Bulk Glycine Powder
NOW Foods Glycine Pure Powder: NOW Foods Glycine Powder is one of the highest-value sleep supplements available if you follow the clinical dose of 3g before bed. The zero-additive formulation is as pure as supplementation gets. Research specifically supports glycine for sleep onset, sleep quality, and next-day cognitive performance. The pleasant sweet taste makes it one of the few powder supplements that's genuinely easy to take. A hidden gem that most people overlook in favour of more heavily marketed sleep aids.
Scores: effectiveness: 8/10, ingredient_quality: 10/10, value_for_money: 10/10, side_effects: 10/10, certifications: 7/10, overall: 9/10
Bulk Glycine Powder: Bulk's Glycine Powder offers the same pure amino acid as NOW Foods in a larger 500g quantity at a lower UK price. The sensible 3g serving size matches the clinical dose, unlike NOW's 1g label serving. Quality is comparable — pure glycine is pure glycine regardless of brand. The main advantage is price; the main disadvantage is the pouch packaging versus a rigid tub.
Scores: effectiveness: 8/10, ingredient_quality: 9/10, value_for_money: 10/10, side_effects: 10/10, certifications: 5/10, overall: 8/10
Disclaimer: AIScored provides AI-generated comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.