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Doctor’s Best L-Glutamine Powder – 300g
Doctor’s Best L-Glutamine Powder – 300g is a pure, unflavoured free-form glutamine from US brand Doctor’s Best. The fine powder mixes easily into water or shakes, making it a simple, versatile addition to your routine.
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Description
Doctor’s Best L-Glutamine Powder – Pure Free-Form Glutamine
Doctor’s Best L-Glutamine Powder is an unflavoured, free-form L-glutamine supplement in a 300g tub. Doctor’s Best is an American company known for science-based formulations and clean, single-ingredient products. This powder contains L-glutamine on its own, so it can be added to water, juice or a smoothie and fits neatly into both sports and everyday wellbeing routines.
Key Benefits of Doctor’s Best L-Glutamine Powder
- Free-form L-glutamine – a single amino acid, not a blend.
- Unflavoured powder – versatile for water, juice or smoothies.
- Clean formula – a simple ingredient list from a science-led brand.
- 300g tub – a practical size for regular use.
- Adjustable serving – easy to fine-tune how much you take.
Who Is It For?
Suited to athletes and active people who want a simple glutamine powder, as well as anyone who prefers supplements from a brand focused on everyday wellness rather than bodybuilding marketing. A good option if you like to add ingredients to a morning smoothie.
Why Choose Doctor’s Best?
Doctor’s Best is a US supplement brand founded in 1990, known for science-based nutrition and a wide range of straightforward vitamins, minerals and amino acids.
FAQs
What is free-form L-glutamine?
It is L-glutamine as a single amino acid, not bound to other amino acids in a protein or peptide.
Is it suitable for vegetarians?
Check the label on your pack for dietary suitability information.
Why Shop With Lotty8 Supps?
- Genuine, factory-sealed products – sourced through established UK sports-nutrition wholesale distribution. Never repackaged, never grey-market.
- Fast dispatch – orders placed before 1pm on a working day are dispatched the same day with Royal Mail Tracked 48.
- Low-cost UK delivery – £3.99 per order, free on orders over £100. See our Delivery & Returns page.
- Hassle-free returns – full details on our Delivery & Returns page.
- Top brands in one place – Applied Nutrition, BioTechUSA, SciTec, NOW Foods, Doctor’s Best and many more.
- Real people, real help – questions about a product or your order? Contact the Lotty8 team.
Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. Keep out of reach of young children. Formulations and packaging can change – always read the label on the product you receive before use.
Stir the serving shown on the label into 200–250 ml of water, juice or a smoothie. Take between meals or after exercise. Use a dry scoop and keep the lid tightly closed.
Always follow the directions on the product label. Do not exceed the recommended daily intake.
- Brand: Doctor's Best
- Product: L-Glutamine Powder
- SKU: P35281
- Category: Glutamine Powder
- Pack size: 300g
- Product format: Powder
- EAN: 0753950004917
- Listed shipping weight: 0.365 kg
- Country of origin: United States
Additional information
| Weight | 0.365 kg |
|---|---|
| Country of Origin | United States |
| Expiry Date | 2028-01-31 |








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