N-Acetyl Cysteine (NAC) 600mg — 120 Vegan Capsules
✔ 600mg NAC per capsule — 120 vegan capsules per bottle
✔ Four-month supply at one capsule per day
✔ UK manufactured to GMP Code of Practice and ISO 9001
N-Acetyl Cysteine — What to Know
N-Acetyl Cysteine is a sulphur-containing derivative of the amino acid L-Cysteine. Attaching an acetyl group to L-Cysteine's nitrogen atom produces a more stable compound — one that is well-suited to capsule manufacture and consistent from batch to batch. NAC has featured in nutritional science literature for several decades, primarily because of its relationship with glutathione, a compound the body produces itself from cysteine, glycine and glutamate. This supplement provides 600mg per capsule in a clean vegan HPMC capsule with no unnecessary additives.
Why People Choose N-Acetyl Cysteine
✔ A stable derivative of L-Cysteine — more practical in capsule form than the free amino acid
✔ 600mg per capsule — 120 capsules per bottle
✔ Four months of daily use from a single bottle
✔ Vegan HPMC capsule — no gelatin, no animal-derived ingredients
✔ Clean formula: NAC, capsule shell, and two standard anti-caking agents
✔ Manufactured in the UK to GMP Code of Practice and ISO 9001
✔ No questions asked, 30-day money-back guarantee
More Than a Standard Amino Acid Supplement
Amino acid supplements vary considerably in the care put into their formulation. NAC is chemically distinct from other cysteine products: the acetyl group prevents the oxidation that makes free-form L-Cysteine impractical at scale. That stability is why NAC has been the standard supplemental form for decades — it is consistent, predictable and well-characterised in the research literature. The Swiss BioEnergetics formulation adds nothing beyond a standard anti-caking combination and the HPMC capsule shell.
Making NAC Part of a Daily Routine
Most people who use NAC regularly take it between meals, with a glass of water. At one capsule per day, 120 capsules covers four months from a single bottle; at two capsules daily, it covers two months. The capsule is compact and easy to swallow. It sits straightforwardly alongside other morning or evening supplements without requiring any particular timing relative to food, though the directions suggest taking it away from meals.
NAC and Nutritional Research
NAC has been studied in nutritional science for its role as a cysteine source. Cysteine is one of the three amino acids the body uses to produce glutathione — alongside glycine and glutamate — and it is typically the rate-limiting component in that process. As a result, NAC has attracted sustained interest among researchers studying cellular biochemistry. The supplement itself supplies cysteine in a stable, consistent form; the body then directs those raw materials according to its own metabolic needs. None of this represents an approved health effect on the GB nutrition register; it is background science for an informed reader.
Inside the Formula
N-Acetyl-Cysteine 600mg — a sulphur-containing derivative of the amino acid L-Cysteine. The acetyl group attached to the nitrogen makes this form considerably more stable than free-form L-Cysteine and appropriate for consistent capsule manufacture. NAC does not appear on the GB nutrition register for any approved health effect; this product is positioned as a food supplement and should be understood on that basis.
Capsule shell: Hydroxypropyl Methyl Cellulose (HPMC) — a plant-derived capsule shell. No gelatin. Suitable for vegetarians and vegans.
Anti-Caking Agents: Magnesium Stearate, Silicon Dioxide — standard processing aids used in capsule manufacture. No fillers, bulking agents or unnecessary additives.
Swiss BioEnergetics
Trusted UK Manufacturing — every Swiss BioEnergetics product is made in the United Kingdom to GMP Code of Practice and ISO 9001. Not outsourced, not imported, not repackaged.
Clean, Potent Ingredients — formulated without unnecessary fillers, binders or additives. Free from lactose, gluten, GMOs and artificial colours as standard.
Evidence-Inspired Formulas — each product is built around ingredients with a well-documented presence in nutritional science literature, at the doses specified on the label.
The 30-Day Guarantee
Try it for 30 days. If it is not right for you, contact us for a full refund — no forms, no conditions, no questions.
Start Your Routine
One capsule a day. Four months from a single bottle. Order once or subscribe and save — your choice.
Frequently Asked Questions
What is N-Acetyl Cysteine?
NAC is a stable, sulphur-containing derivative of the amino acid L-Cysteine. It has been widely discussed in nutritional science as a precursor molecule relevant to glutathione, a compound the body produces itself.
How many capsules are in the bottle?
120 capsules — a four-month supply at one per day, or two months at two capsules per day.
Is this product suitable for vegans?
Yes. The capsule shell is HPMC (plant-derived), and the formula contains no animal-derived ingredients.
When should I take it?
Between meals is generally suggested. One or two capsules per day with water, or as advised by your healthcare practitioner. Do not exceed the recommended daily intake.
Is this made in the UK?
Yes. Manufactured in the United Kingdom to GMP Code of Practice and ISO 9001.
Does this product contain allergens?
No specific allergens are declared. Manufactured in a facility that also handles allergy-based materials.
