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Liposomale Ester-C capsules van Kala Health, geproduceerd in Nederland

Which form of vitamin C suits you best?

Get a clear overview of the different forms of vitamin C and discover which one is best for you. We explain the health benefits, share insights from recent studies, and help you choose one that fits your needs. Developed by our own product experts.

What does vitamin C do?

Vitamin C supports your immune system. It protects your cells from oxidative stress. It helps the formation of collagen. This is important for skin, bones, teeth, gums and blood vessels.Your body absorbs vitamin C through transporters in your gut. At low doses, this goes smoothly. At high doses, the system becomes full. You urinate out the excess. Spread your intake for more effect.

Why you don’t make it yourself

Humans don’t make vitamin C. We are missing an enzyme. So you get it from food or from a supplement. That’s simple and obvious.

Nutrition or supplement

Fruits and vegetables form the base. Citrus, bell bell pepper and kiwi score high. If you can’t make it with those, then a supplement will help. That gives control over your intake.

Forms and when to choose which ones

Ascorbic acid

The standard form. Effective and affordable. Extensively tested and of the highest quality with us. By far our most popular vitamin C product, and we never hear negative feedback.

Buffered vitamin C

This is pH neutral. This often feels calmer in your stomach. It provides the same vitamin C.

Buffered vitamin C capsules view

Ester-C

A buffered form with metabolites. Its action in your blood corresponds to ascorbic acid. Many people tolerate this pleasantly.

View Ester-C

Liposomal vitamin C

Packaged in phospholipids. Your body often absorbs this better. This fits with a desire for higher levels with fewer milligrams per intake.

Liposomal Ester-C view

Do you have a sensitive stomach? Choose buffered. Looking for higher absorption? Choose liposomal. Want simple and inexpensive? Choose ascorbic acid.
Which form suits you
Situation Choice Why
Normal requirement Ascorbic acid Effective and competitively priced
Sensitive stomach Buffered or Ester-C Calmer in your stomach
Higher absorption desired Liposomal Often higher blood level with fewer milligrams
Flexible dosing Powder Easy mixing in water or smoothie

Our product range

Conclusion

Vitamin C remains important±

  • Ascorbic acid for daily use.
  • Buffered for comfort.
  • Ester-C for a guaranteed standard of quality.
  • Liposomal for higher absorption.

View all vitamin C products

References

  1. Carr, A. C., & Vissers, M. C. M. (2013). Synthetic or food-derived vitamin C: Are they equally bioavailable? Nutrients, 5(11), 4284-4304. https://doi.org/10.3390/nu5114284
  2. Gruenwald, J., Graubaum, H. J., Busch, R., & Bentley, C. (2006). Safety and tolerance of Ester-C compared with regular ascorbic acid. Advances in Therapy, 23(1), 171-178. https://doi.org/10.1007/BF02850358
  3. Hemilä, H., & Chalker, E. (2013). Vitamin C for preventing and treating the common cold. Cochrane Database of Systematic Reviews, CD000980. https://doi.org/10.1002/14651858.CD000980.pub4
  4. Hemilä, H., & Chalker, E. (2023). Vitamin C and the common cold: Updated analyses. BMC Public Health, 23, 2468. https://doi.org/10.1186/s12889-023-17229-8
  5. Mitmesser, S. H., Ye, Q., Evans, M., Combs, M., & Barela, P. (2016). Plasma and leukocyte vitamin C concentrations in a randomized trial with Ester-C. SpringerPlus, 5, 1161. https://doi.org/10.1186/s40064-016-2833-3
  6. Purpura, M., Jäger, R., Godavarthi, A., Bhaskarachar, D., & Tinsley, G. M. (2024). Liposomal vitamin C increases plasma and leukocyte vitamin C. European Journal of Nutrition, 63(8), 3037-3046. https://doi.org/10.1007/s00394-024-03487-8
  7. Żmuda, P., et al. (2024). Bioavailability of liposomal vitamin C in powder form: A randomized crossover trial. Applied Sciences, 14(17), 7718. https://doi.org/10.3390/app14177718

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