GN Laboratories

Vitamin C Capsules 1000 mg

  • ✓ High-dose: 1000 mg per capsule
  • ✓ 100% vegan (HPMC capsule)
  • ✓ Clean label: no magnesium stearate
€18,90 €16,82
120 capsules€131,98/kg · Tax included. Shipping calculated at checkout.
🚚 In stock – delivery time: 1–3 working days
Low Sugar Sauce 0% Fat · 375ml Low Sugar Sauce 0% Fat · 375ml 375ml Low sugar, no fat! €5,90(€15,73/l)
Marzipan Candy Splash Flavor Drops · 50ml 50ml No sugar, fat or calories €5,90(€118,00/l)
-20% Mars Low Sugar High Protein Bar · 12x57g Mars Low Sugar High Protein Bar · 12x57g 12 x 57g 20 g protein per bar €23,92€29,90(€34,97/kg)

With Vitamin C 1000 mg from GN Laboratories you get pure active ingredient without unnecessary chemicals. Thanks to rice bran instead of magnesium stearate, the clean label is pure. A must for you as an athlete after training, and a strong support when your immune system needs extra backing in everyday life.

  • Highly dosed: 1000 mg per capsule
  • Clean label: without magnesium stearate
  • 100% vegan (HPMC capsule)
  • Ideal for athletes & winter time
  • Pure L-ascorbic acid

Compositionper capsule% (NRV*)
Vitamin C1000 mg1250 %
Ingredients:
Vitamin C (from L-ascorbic acid), anti-caking agent: rice bran extract, capsule shell: hydroxypropyl methylcellulose

Take 1 capsule daily with plenty of liquid.

Not recommended for use by persons under 18 years of age. The stated recommended daily intake must not be exceeded. Food supplements are not a substitute for a balanced and varied diet and a healthy lifestyle. Keep out of the reach of children.

Manufacturer / Distributor

GN Laboratories Europe, London / United Kingdom

Nero Labs BV, Postbus 278, 5900AG Venlo, The Netherlands

  1. Johnston, C. S., & Gaas, C. A. (2006). Vinegar: medicinal uses and antiglycemic effect. Medscape General Medicine, 8(2), 61.
  2. Flanagan, J. L., Simmons, P. A., Vehige, J., Willcox, M. D., & Garrett, Q. (2010). Role of carnitine in disease. Nutrition & metabolism, 7(1), 30.
  3. Malaguarnera, M., Gargante, M. P., Cristaldi, E., Colonna, V., Messano, M., Koverech, A., & Neri, S. (2012). Acetyl L-carnitine (ALC) treatment in elderly patients with fatigue. Archives of gerontology and geriatrics, 54(3), e237-e242.
  4. Pullar, J. M., Carr, A. C., & Vissers, M. (2017). The roles of vitamin C in skin health. Nutrients, 9(8), 866
  5. Moseley, K. (2003). A review of the potential use of alpha-ketoglutarate as a dietary supplement. Journal of Orthomolecular Medicine, 18(4), 225-234.
  6. Hurrell, R., Egli, I., & Hurrell, J. (2010). Zinc and iron bioavailability–current status and future directions. The American Journal of Clinical Nutrition, 91(5), 1480S-1481S.
  7. Hemilä H, Chalker E. Vitamin C for preventing and treating the common cold. Cochrane Database Syst Rev. 2013 Jan 31;(1):CD000980. doi: 10.1002/14651858.CD000980.pub4. PMID: 23440782.
  8. Frei B, Birlouez-Aragon I, Lykkesfeldt J. Authors’ Perspective: What is the Optimum Intake of Vitamin C in Humans? Crit Rev Food Sci Nutr. 2012;52(9):815-829. doi: 10.1080/10408398.2011.649149. PMID: 22698272.
  9. Carr AC, Vissers MCM, Cook JS. The effect of intravenous vitamin C on cancer- and chemotherapy-related fatigue and quality of life. Front Oncol. 2014;4:283. doi: 10.3389/fonc.2014.00283. PMID: 25309833.
  10. Juraschek SP, Guallar E, Appel LJ, Miller ER 3rd. Effects of vitamin C supplementation on blood pressure: a meta-analysis of randomized controlled trials. Am J Clin Nutr. 2012;95(5):1079-1088. doi: 10.3945/ajcn.111.027995. PMID: 22492364.
  11. Ashor AW, Lara J, Mathers JC, Siervo M. Effect of vitamin C on endothelial function in health and disease: a systematic review and meta-analysis of randomised controlled trials. Atherosclerosis. 2014;235(1):9-20. doi: 10.1016/j.atherosclerosis.2014.04.004. PMID: 24837272.
  12. Thompson D, Williams C, et al. Prolonged vitamin C supplementation and recovery from demanding exercise. Int J Sports Nutr Exerc Metab. 2001;11(4):466-481.
  13. Bryer SC, Goldfarb AH. Effect of high dose vitamin C supplementation on muscle soreness, damage, function, and oxidative stress to eccentric exercise. Int J Sport Nutr Exerc Metab. 2006;16(3):270-280.
  14. Peters EM, Anderson R, Theron AJ. Attenuation of increase in circulating cortisol and enhancement of the acute phase protein response in vitamin C-supplemented ultramarathon runners. Int J Sports Med. 2001;22(2):120-126.
  15. Braakhuis AJ, Hopkins WG, Lowe TE. Effects of dietary antioxidants on training and performance in female runners. Eur J Sport Sci. 2014;14(2):160-168.
  16. Viguie CA, Frei B, et al. Antioxidant status and indexes of oxidative stress during consecutive days of exercise. J Appl Physiol (1985). 1999;87(6):1913-1921.
  17. Hellerstein MK, Evans WJ. Interaction of exercise, nutrition and anabolic agents. In: Lamb DR, Williams MH, eds. Perspectives in Exercise Science and Sports Medicine. Vol. 7. Nutritional Needs in Exercise and Sport. Dubuque, Iowa: Brown & Benchmark; 1994:135-180.
  18. Wankhede S, Langade D, et al. Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial. J Int Soc Sports Nutr. 2015;12:43.
  19. Carr, A.C., & Frei, B. (1999). Toward a new recommended dietary allowance for vitamin C based on antioxidant and health effects in humans. American Journal of Clinical Nutrition, 69(6), 1086-1107. https://doi.org/10.1093/ajcn/69.6.1086
  20. Hemilä, H. (1996). Vitamin C supplementation and the occurrence of sleep disturbances: a preliminary study. Nutrition Research, 16(5), 817-825. https://doi.org/10.1016/0271-5317(96)00154-2
Item no.: 6993

Why Vitamin C 1000 mg capsules make sense

In everyday life, a balanced diet is often enough. But when you push your limits in training or job stress increases, your energy metabolism uses up considerably more resources. That's when you need extra power.

This high daily dose is the classic "no-brainer": instead of swallowing several small pills, a single serving delivers your full supply. High-dose vitamin C is your direct support for stable immune defenses and active cell protection when it matters.

Keep it simple: You don't want to do the math, you want to be covered.

Clean label: Vitamin C without additives

Many cheap supplements stretch their ingredients with unnecessary fillers to cut production costs. GN takes a different path. Here you're buying vitamin C without additives, guaranteed free from magnesium stearate or silicon dioxide.

Instead of chemical excipients, natural rice bran extract is used. That makes these capsules high-dose and at the same time extremely pure in their form. Even the shell consists only of hydroxypropyl methylcellulose (vegan cellulose). You get full value for your money, without any baggage.

Who is this supplement intended for?

This product is primarily aimed at two groups: athletes and anyone looking for support during the cold season. For athletes in particular, this support is crucial, since intense training increases the body's needs and demands protection for the cells.

Thanks to the plant-based shell, the contents are 100 % vegan. An honest mentor tip: on an empty stomach, pure acid can cause irritation. To avoid such side effects, simply wash the capsule down with a large glass of water alongside a meal.

Dosage & intake

Use is simple: take 1 capsule daily, swallowed whole with plenty of liquid. Ideally, do this with a main meal; that not only improves tolerability but also optimizes your iron absorption from food at the same time.

Under high physical strain, this dosage is absolutely common. Since the body cannot store the vitamin in its tissues for long, a daily routine is crucial for a constant supply.

Pure L-ascorbic acid vs. fruit extracts

Why does GN Laboratories rely on pure acid here instead of acerola or rosehip powder? The answer is simple: concentration and value for money. To reach a true 1000 mg of active ingredient, fruit extracts would often be extremely expensive and the capsules huge.

Here you get the identical molecule as found in nature, but in an isolated, stable form. Your metabolism makes no chemical distinction between the structure from the lab and the one from a lemon; it simply utilizes the micronutrient. At Gigas, you pay for maximum efficiency, not for marketing stories.

Frequently asked questions about Vitamin C Capsules 1000 mg

How much vitamin C 1000 mg a day makes sense?
For athletes and during periods of stress, 1000 mg of vitamin C per day is ideal. Less is often sufficient for pure prophylaxis without stress, but what the body cannot utilize is simply excreted in the urine. So you are not taking any risks as long as you drink enough.

What does vitamin C 100 mg do?
This micronutrient is a real all-rounder for your body. It contributes to the normal functioning of the immune system and nervous system. It also contributes to normal collagen formation, which is important for the function of bones, teeth, skin and blood vessels. It also helps to protect your cells from oxidative stress (cell damage).

Why capsules instead of powder?
Pure powder is extremely acidic and often attacks tooth enamel when drunk. The cellulose coating protects your teeth from direct contact with acid and only releases the ingredient in the stomach. You also save yourself the hassle of weighing and always have the exact amount to hand when you're out and about.

Can I take the supplement with my coffee?
Better not to add it directly. Caffeine and certain tannins in coffee can block the absorption of micronutrients in the gastrointestinal tract. It is better to wait 30 to 60 minutes or simply take the capsule with lunch to ensure optimum bioavailability.

Is continuous use possible?
Yes, because this vital substance is water-soluble, the body does not build up critical depots, as would be the case with fat-soluble representatives. Especially for active people with high levels of wear and tear, this routine is often part of the daily basic supply and not just a short-term cure.

What role does the product play for skin and joints?
It is the decisive co-factor for the body's own collagen formation. Without this micronutrient, the body cannot build stable collagen. It therefore contributes directly to the normal function of skin, cartilage and bones, which is important not only for the appearance but also for the stability of your musculoskeletal system during training.

Our recommendations