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Main benefits

The Synergy Effect:

Vitamin C is a foundational, water-soluble nutrient that acts as the body’s primary antioxidant, directly neutralizing free radicals and protecting cellular structures—including DNA, proteins, and lipids—from oxidative stress. At a concentrated dose of 1000 mg, this vitamin plays a critical structural role by supporting the normal formation of collagen, the primary protein matrix essential for the strength and elasticity of the skin, blood vessels, bones, cartilage, and gums. Furthermore, high-potency Vitamin C is indispensable for the normal function of both the innate and adaptive immune systems, significantly enhancing the absorption of non-heme iron from plant-based diets, and contributing to normal energy-yielding metabolism. By providing robust antioxidant defence and structural support, this essential nutrient creates optimal conditions for immune resilience, tissue repair, and the reduction of tiredness and fatigue—working synergistically to maintain overall wellness and constitutional vitality.

Connection to Traditional Chinese Medicine:

From a TCM perspective, an essential nutrient that powerfully supports immune function, strengthens the body's physical barriers, and combats fatigue corresponds directly to the tonification of Wei Qi (Defensive Qi) and the preservation of Righteous Qi (Zheng Qi). Wei Qi is the dynamic, protective energy that circulates just beneath the skin and muscles, defending the body against external pathogenic factors (such as Wind, Cold, and Heat). A high-potency Vitamin C supplement acts to consolidate the exterior, fortifying this defensive shield while simultaneously assisting the Spleen in extracting vital energy to overcome exhaustion and lethargy. Because it supports the physical integrity of the vessels, tissues, and skin (associated with the Lungs and the Spleen), it provides a universally beneficial foundation that aligns with all constitutional types. Whether a person tends toward Heat, Cold, Deficiency, or Excess, the protective and energy-yielding nature of this nutrient provides a neutral, stabilizing force. The Lungs in Chinese Medicine govern Qi and the exterior, while the Spleen governs the muscles and transformation—functions that are fundamentally dependent on robust defensive energy and structural integrity. This formula helps maintain the vital connections between immune resilience, sustained daily energy, and the stable foundation of Wei Qi that protects vitality.

This product complies with EU Regulation (EC) No 1924/2006 on nutrition and health claims and meets NVWA requirements for food supplements in the Netherlands.


Zhenatura.com TCM: Herbal dietary supplements of Traditional Chinese Medicine origine according to European standards!

  • 120 tablets per bottle
  • Less fillers and binders
  • No pharmaceuticals or dyes
  • Thorough lab testing (heavy metals, pesticides etc.)
  • Always made in controlled cGMP certified facility
  • Unbeatable value
  • European brand
TCM traditional Chinese Patents do not work immediate, it takes some time before you (and your organs) will experiences the benefits. We advice always to use minimum 1 packing and then evaluate with your prescriber!
This product is a dietary (food) supplement, to be taken as directed by a qualified practitioner. It is not intended to treat, cure, diagnose or prevent any disease. Not to replace a varied diet. Not to be taken if nursing or if pregnant. Not to be consumed continuously for longer than 3 months.

Common uses

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Information for professionals

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Zhenatura Vitamin C 1000mg (All Constitutional Types) is based on the foundational principles of Orthomolecular Medicine and Evidence-Based Nutritional Biochemistry, rooted in the landmark discovery and isolation of ascorbic acid in the early 20th century. Vitamin C was first isolated in 1928 by Hungarian biochemist Albert Szent-Györgyi, who extracted the compound — which he initially named "hexuronic acid" — from adrenal glands, cabbage, and paprika, and who was awarded the Nobel Prize in Physiology or Medicine in 1937 for this discovery, while the structural identification of ascorbic acid as the antiscorbutic factor responsible for preventing scurvy was simultaneously confirmed by Charles Glen King at the University of Pittsburgh, building on centuries of empirical maritime observation dating back to James Lind's controlled dietary trial aboard HMS Salisbury in 1747. Within scientific nutritional and immunological literature, this specific high-potency formulation of L-ascorbic acid at 1000mg — recognised as a water-soluble, electron-donating antioxidant — is described as a strategy to "support collagen biosynthesis via prolyl and lysyl hydroxylase co-factor activity," "enhance non-haem iron absorption through reduction of ferric to ferrous iron in the gastrointestinal tract," and "modulate innate and adaptive immune responses through neutrophil function and lymphocyte proliferation support" in accordance with current biochemical, immunological, and haematological theory. These descriptions belong to the modern empirical system of nutritional science and refer to the support of validated physiological mechanisms rather than the "clearing of Heat and Toxins," "tonification of Wei Qi," or "nourishment of Yin" found in traditional energetic systems.

1
Immune Function & Respiratory Infections
https://pmc.ncbi.nlm.nih.gov/articles/PMC9925039/

Please note: This summary is a concise interpretation of the original article; please refer to the source for the full context and details.

  • Numerous clinical studies and comprehensive reviews evaluate the efficacy of Vitamin C in preventing and treating respiratory tract infections. Evidence indicates that while prophylactic use of 1000 mg may not drastically reduce the incidence of colds in the general population, it significantly reduces the duration and severity of symptoms once infected.

  • In populations subjected to high physical stress or low baseline Vitamin C levels, regular supplementation of 1000 mg per day acts as a prophylactic, reducing the risk of respiratory infections by up to 45%.

  • In TCM, this relates to strengthening the Wei Qi (Defensive Qi), which acts as the body's primary barrier against external pathogenic invasions (such as Wind-Cold or Wind-Heat) that cause respiratory illness.


2
Endothelial Health & Cardiovascular Disease
https://pmc.ncbi.nlm.nih.gov/articles/PMC12108419/

Please note: This summary is a concise interpretation of the original article; please refer to the source for the full context and details.

  • High-dose Vitamin C (ranging from 1000 mg to 2000 mg) has been clinically shown to restore endothelial function in patients with inflammatory and age-related vascular conditions. It achieves this by protecting tetrahydrobiopterin (BH4) from oxidative degradation, thereby increasing nitric oxide (NO) bioavailability and preventing endothelial dysfunction.​

  • A recent meta-analysis encompassing 15 trials demonstrated that Vitamin C supplementation significantly improves heart function, particularly enhancing the left ventricular ejection fraction in post-myocardial infarction patients.​

  • In TCM, the preservation of vascular integrity and the promotion of blood flow directly correspond to moving Blood and preventing Blood Stasis, while its antioxidant nature clears localized systemic Heat (inflammation) within the vessels.


3
Oxidative Stress & Systemic Inflammation
https://pubmed.ncbi.nlm.nih.gov/40508019/

Please note: This summary is a concise interpretation of the original article; please refer to the source for the full context and details.

  • Vitamin C serves as a primary electron donor, neutralizing reactive oxygen species (ROS) and preventing cellular oxidative distress. Clinical trials evaluating a 1000 mg dose show it modulates multiple ROS pathways and mitigates dampened immune responses following severe viral infections.


4
Oxidative Stress & Systemic Inflammation
https://pmc.ncbi.nlm.nih.gov/articles/PMC12108419/

Please note: This summary is a concise interpretation of the original article; please refer to the source for the full context and details.

  • Additionally, it has been shown to downregulate components of NADPH oxidase involved in ROS production, mitigating oxidative stress and indirectly influencing the expression of pro-inflammatory cytokines.​

  • In TCM, oxidative stress and acute systemic inflammation are often viewed as Toxic Heat or Fire Toxin. Vitamin C acts to clear this Heat, protecting the cellular "fluids" and preventing the Heat from consuming the body's Yin.


5
Sepsis and Critical Care Application
https://www.sciencedirect.com/science/article/abs/pii/S0899900725000516

Please note: This summary is a concise interpretation of the original article; please refer to the source for the full context and details.

  • High-dose Vitamin C has been utilized as an adjunctive therapy in critical care settings. Clinical data suggest it can improve outcomes in sepsis by utilizing its potent antioxidant properties to combat severe systemic inflammation and oxidative tissue damage (Research Link: PMC9925039).

For Vitamin C 1000mg, take 1 tablet 1 time per day. These should be taken with or after meal.

Total pieces in package: 120 tablets

Dosage: 1 tablet

Frequency: 1 time a day with or after meal


Side effects

Fatigue and Sleepiness

Flushing skin

Headache

Hemolytic Anemia in G6PDH Deficiency

Iron Overload

Kidney complications

Kidney Stone Formation

Mild gastrointestinal discomfort


Allergies

Individuals allergic to any of the herbal ingredients should avoid use. Discontinue immediately if any allergic reactions, such as rash, itching, or swelling, occur.

Artificial dyes and food colorings

Ascorbic acid (vitamin C)

Corn starch and corn-derived excipients

Corn-derived vitamin C

Gelatin

High dosage gastrointestinal

Lactose

Magnesium stearate

Microcrystalline cellulose (MCC)

Polyethylene glycol

Polysorbate 80

Sorbitol (sweetener/filler)

Soy lecithin

Sulfites


Avoid medicine interactions

Acetaminophen (Tylenol)

Amphetamines

Antacids Containing Aluminum

Anticoagulants

Chemotherapy or Immunosuppressive Drugs

Fluoroquinolone and Tetracycline Antibiotics

NSAIDs (Ibuprofen, Aspirin, Naproxen)

Oral Contraceptives and Hormone Replacement Therapy (HRT)

Protease Inhibitors

Statins and Niacin


Precautions

Do not use if pregnant or breastfeeding.

Consult your herbalist or physician before use if you are taking other medications or receiving other medical treatments.

Keep out of reach of children.


Indemnification

This product is a dietary supplement, and should only be used as prescribed by a qualified acupuncturist, herbalist, phyto- or TCM therapist. This product is not intended to diagnose, treat, prevent or cure any disease. Always consult a qualified doctor or healthcare professional before using this. A healthy lifestyle is important, as is a varied, balanced diet, for which supplements are not a substitute.

TCM traditional Chinese Patents do not work immediate, it takes some time before you (and your organs) will experiences the benefits. 1 packing adviced and then evaluate with your prescriber!

Allergies

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Formula types

Ingredients

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Symptoms (for reference only)

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TCM constitutions

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