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N Acetyl Cysteine 1000mg Capsules
DUOZI
N‑Acetyl L‑Cysteine with Selenium, B6 & B12 · Antioxidant Support · Vegan · 60 Capsules
As a leading manufacturer and trusted supplier of premium wellness supplements, we present DUOZI NAC 1000mg Capsules – a high‑potency, synergistic formula designed to support antioxidant defense, immune function, and overall vitality. Each serving delivers 1000mg of N‑Acetyl L‑Cysteine (NAC), combined with Selenium, Vitamin B6, and Vitamin B12 – essential nutrients that work together to support glutathione production, cellular health, and energy metabolism. NAC is a powerful precursor to glutathione – the body's master antioxidant – helping to neutralize free radicals, support detoxification pathways, and protect cells from oxidative stress. Selenium enhances glutathione activity, while B6 and B12 support neurological function and red blood cell formation. With 60 capsules per bottle, it provides a convenient 30‑day supply at the recommended dose of 2 capsules daily – ideal for adults seeking comprehensive antioxidant and immune support.
NAC is a direct precursor to glutathione – the body's most powerful antioxidant. By replenishing glutathione levels, NAC helps neutralize free radicals, reduce oxidative stress, and support the body's natural detoxification systems – protecting cells from environmental and metabolic damage.
Selenium is a critical component of glutathione peroxidase enzymes, which work alongside glutathione to neutralize peroxides and maintain cellular redox balance. This synergistic pairing amplifies the antioxidant capacity of NAC, providing superior protection against oxidative damage.
Vitamin B6 and B12 are essential for energy metabolism, red blood cell formation, and neurological function. They complement NAC by supporting homocysteine metabolism, cognitive clarity, and overall vitality – helping you feel energized and focused.
NAC and selenium work together to support immune cell function and protect against oxidative stress – helping to maintain a healthy immune response and overall resilience.
Made with plant‑based ingredients and globally sourced raw materials, our formula is free from gluten, dairy, soy, and artificial additives – suitable for vegans and those with dietary sensitivities.
Parameter | Specification |
|---|---|
Product Name | DUOZI NAC 1000mg – N‑Acetyl L‑Cysteine with Selenium, B6 & B12 |
Brand | DUOZI (OEM / Private Label Available) |
Net Content | 60 vegetarian capsules per bottle |
Servings Per Container | 30 (2 capsules per serving) |
Form | Vegetarian capsule |
Active Ingredients (per 2‑capsule serving) | NAC (N‑Acetyl L‑Cysteine) – 1000mg; Selenium (as L‑selenomethionine) – 55mcg; Vitamin B6 (as pyridoxine HCl) – 10mg; Vitamin B12 (as methylcobalamin) – 50mcg |
Key Benefits | Supports glutathione production, antioxidant defense, immune function, energy metabolism, and nervous system health |
Other Ingredients | Vegetable cellulose (capsule), rice flour, magnesium stearate (plant‑based) – no gluten, soy, dairy, or animal products |
Allergen Info | Free from gluten, dairy, eggs, peanuts, tree nuts, soy – vegan |
Suitable For | Adults seeking antioxidant, immune, and energy support |
Dosage | 2 capsules daily with water, preferably with a meal |
Shelf Life | 24 months from manufacturing date |
Storage | Store in a cool, dry place away from direct sunlight. Keep bottle tightly sealed. |
Country of Origin | Guangdong, China (globally sourced ingredients) |
Ideal for individuals exposed to environmental stressors, pollution, or high oxidative load. NAC and selenium help neutralize free radicals, support liver detoxification, and promote cellular health.
Supports immune cell function and healthy inflammatory response – helping the body defend against pathogens and maintain overall resilience.
B6 and B12 support energy metabolism and red blood cell production – helping to reduce fatigue and maintain physical and mental performance.
NAC is known for its mucolytic properties – helping to thin mucus and support respiratory comfort, making it beneficial for those seeking year‑round respiratory wellness.
B6 and B12 support neurotransmitter synthesis and neurological function – contributing to mental clarity, focus, and emotional well‑being.
Dosage: Take 2 capsules daily with a full glass of water, preferably with a meal to enhance absorption.
Consistency: For best results, take at the same time each day. A continuous 2‑ to 3‑month cycle is recommended to allow for cumulative antioxidant and immune benefits.
Swallow whole: Do not crush or chew the capsule – the vegetarian shell ensures proper delivery of active ingredients.
Special considerations: If you are pregnant, nursing, taking nitroglycerin or blood‑thinning medications, or have a medical condition, consult your healthcare professional before use.
Storage: Keep the bottle tightly closed in a cool (below 25°C), dry place away from sunlight.
Keep out of reach of children. Do not exceed the recommended daily dose unless directed by a physician.
Capsule Manufacturing Process Walkthrough
Please refer to the attached video for a behind‑the‑scenes look at our capsule production – from raw material testing, blending, encapsulation, and packaging to final quality control.
At DUOZI, we take pride in our state‑of‑the‑art manufacturing facilities and rigorous quality control processes. Every batch of our NAC 1000mg capsules is produced in accordance with the highest industry standards to ensure safety, purity, and potency.
Our GMP‑certified facility is equipped with advanced blending, encapsulation, and packaging technology – ensuring consistent capsule quality and maximum nutrient preservation in every bottle. We maintain strict environmental controls to prevent contamination and guarantee product integrity.
Image: Production Facility
Image: Quality Control Lab
Our bottles are designed to protect capsules from light and moisture – ensuring stability and freshness from production to consumption. We offer flexible packaging options – from retail‑ready consumer bottles to bulk wholesale solutions – all with custom labeling and branding services to match your market needs.
Image: Packaging Line
️ Image: Custom Labeling
Every batch undergoes comprehensive testing for NAC potency, selenium content, B‑vitamin levels, heavy metals, and microbial contaminants. We provide full traceability from raw material sourcing to finished product – ensuring that every bottle meets the highest standards of quality and safety.
Image: Quality Assurance Process
We always focus on customers, pay attention to their needs, provide high-quality products and excellent services to meet their expectations.
As an experienced OEM/ODM manufacturer, we understand what our B2B partners value most – and we deliver on every front.
Every batch is tested for NAC potency, selenium content, B‑vitamin levels, heavy metals, microbial contamination, and stability – ensuring safety and efficacy.
Our precision encapsulation process ensures consistent dosage and optimal release of active ingredients – from small pilot runs to large‑scale commercial production.
The synergistic combination of NAC, selenium, B6, and B12 is based on clinical research for antioxidant support, immune function, and energy metabolism – formulated for real results.
We source high‑grade NAC and nutrients from globally certified suppliers with full traceability – ensuring clean, non‑GMO, and allergen‑free ingredients.
We offer private label and custom formulation services – choose your NAC dosage, additional nutrients, capsule size, bottle design, and packaging to create a unique product for your brand.
1. What is NAC and why is it beneficial?
NAC (N‑Acetyl L‑Cysteine) is a precursor to glutathione – the body's master antioxidant. It supports detoxification, immune function, and cellular health by neutralizing free radicals and replenishing glutathione levels.
2. Why are selenium, B6, and B12 included?
Selenium enhances glutathione activity, while B6 and B12 support energy metabolism, red blood cell formation, and nervous system function. Together, they create a synergistic formula for comprehensive antioxidant and vitality support.
3. How long does it take to see results?
Some individuals notice improved energy and respiratory comfort within 2‑4 weeks. For significant antioxidant and immune benefits, we recommend consistent use for 8‑12 weeks.
4. Is this product suitable for vegans?
Yes. Our capsules are made with vegetable cellulose and contain no gelatin, dairy, or animal‑derived ingredients – suitable for vegans and vegetarians.
5. How long does one bottle last?
Each bottle contains 60 capsules. At the recommended dose of 2 capsules daily, it provides a full 30‑day (1 month) supply – perfect for consistent daily use.
6. Can I customize this for my brand?
Absolutely. We offer full OEM/private label services – customize the NAC dosage, additional nutrients, capsule size, bottle design, and packaging to create a unique product for your brand.
DUOZI NAC 1000mg – N‑Acetyl L‑Cysteine · Selenium · B6 · B12 – Antioxidant & Immune Support – 60 Capsules
