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Doctor’s Best L-Glutamine Powder – 300g

SKU:

P35281

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.

£22.49
UK delivery £4.99Free on orders over £100
Secure paymentsCard, Apple Pay & Google Pay
Genuine productsFactory-sealed stock from trusted brands
30-day returnsSee our Delivery & Returns page
Questions? +44 7955 204 290Mon – Fri, 9:30am – 4:30pm

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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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    Frequently asked questions

    Are your products genuine?

    Yes. Every product comes through established UK wholesale distribution and is sold factory-sealed – never repackaged and never grey-market.

    How much is delivery and how quickly will it arrive?

    UK delivery is £4.99 per order, and free on orders over £100. Orders placed before 1pm, Monday to Friday, are dispatched the same working day with Royal Mail Tracked 48, which aims to deliver within 2–3 working days. You will get an email with your tracking number as soon as it is on its way. Full details are on our Delivery & Returns page.

    Can I return it?

    Yes. You have 30 days from delivery to return sealed, unopened items. For health and hygiene reasons supplements and food cannot be returned once the seal is broken, unless they are faulty. If something arrives damaged or is not what you ordered, contact us and we will put it right. See Delivery & Returns.

    How can I pay?

    Card, Apple Pay and Google Pay. Payments are processed securely by our payment providers, and we never see or store your full card details.

    Where can I find the ingredients, nutrition and allergy information?

    In the tabs above (Nutrition, Ingredients and How to Use) where they are available for this product. Manufacturers sometimes update formulas and packaging, so always read the label on the pack you receive, especially if you have allergies.

    Is it suitable for me?

    Food supplements are not a substitute for a varied, balanced diet and healthy lifestyle, and should not be taken above the recommended daily amount. Keep out of the reach of children. If you are pregnant, breastfeeding, taking medication or have a medical condition, speak to your doctor before use.

    Who can I ask about this product?

    Our UK team is here Mon – Fri, 9:30am – 4:30pm. Call +44 7955 204 290, email info@lotty8supps.com or use our contact page.

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