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N-Acetyl-L-Cysteine
A high-potency NAC supplement providing 900 mg per capsule to support glutathione production, liver health, antioxidant defence, and overall cellular health.
£50.39£61.95
Free sample each month
Pause or cancel anytime
365 day free returns
In stock. Next day delivery available.
Buy now, pay later from £14.00/mo with
Free UK shipping over £50, free returns.
Key Benefits
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Helps maintain optimal glutathione levels.
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Promotes liver function and detoxification.
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With antioxidant and anti-inflammatory benefits.
N-Acetyl-L-Cysteine (NAC) is a powerful amino acid that plays a key role in supporting the body's natural detoxification processes. As a direct precursor to glutathione—one of the body’s most important antioxidants—NAC helps protect cells from oxidative stress and supports healthy liver function. It also plays a role in maintaining normal inflammatory responses, promoting muscle recovery, and supporting lung, brain, and reproductive health.
The body's glutathione levels can become depleted due to stress, poor diet, or intense physical activity, making NAC a valuable supplement to replenish this essential antioxidant.
Designs for Health’s NAC formula provides 900 mg per capsule in a convenient, gluten-free, non-GMO supplement, ensuring high-quality support for glutathione production, liver function, and detoxification.
Founded back in 1989, Designs for Health offers over 300 research-backed supplements used worldwide by healthcare professionals. The Designs For Health range includes essential minerals, multivitamins, proteins and specialised health formulations, all made with the aim of promoting wellbeing and vitality. These natural supplements are guaranteed non-GMO and made with carefully vetted ingredients to meet stringent standards. Each product undergoes thorough scrutiny for purity and effectiveness through independent third-party testing. They prioritise a science-based approach, using clinical research to develop their products.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
N-Acetyl-L-Cysteine, Cellulose (capsule), vegetable stearate, silicon dioxide, ascorbyl palmitate. NAC120-6
Shipping
At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.
UK standard delivery
Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.
Next working day
For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.
International
International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.
Returns
If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.
For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.
Take 1 capsule per day or as directed by your health-care practitioner.
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Frequently asked questions
Every product undergoes our Healf Curation Process. With it, you can shop confidently knowing that every item has been tried and tested before it reaches you. Our Healf Curation Process includes three key steps: Brand Discovery, Expert Validation, and Community Testing. Through these, we assess quality, ingredients, effectiveness, and more, ensuring that every product empowers your wellbeing.
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We love people who check ingredients as carefully as we do, so you'll find detailed information about the ingredients used on every product page (where applicable). If you see something you'd like to flag with us or have additional questions, please don't hesitate to get in touch—we'd love to hear from you.
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