Prom-In Liposomal Vitamin C 120 cps
PROM-IN® Liposomal Vitamin C provides a modern form of vitamin C in the CELLg8® liposomal complex, supplemented with quercetin from Sophora japonica extract.This specific combination is a suitable choice for effective vitamin C supplementation during periods of increased physical and mental demands, intense training, or stress.
Prom-In Liposomal Vitamin C 120 cps - Description
Premium Liposomal Complex
PROM-IN® Liposomal Vitamin C is a premium vitamin C in the CELLg8® liposomal complex, supplemented with quercetin from Sophora japonica extract.4.
Thanks to its unique technology, it can effectively increase serum vitamin C levels in specific situations 2,3,4. Are you under stress, fighting an infection, recovering from an injury, or going through a period of extreme physical or mental strain? These are precisely the situations when it’s the right time to supplement with vitamin C in an advanced technological form 1,2,3.
Vitamin C has absorption limits that depend on transport mechanisms in the intestine, which have limited capacity. Therefore, as the dose of standard vitamin C increases, the percentage absorbed decreases, and a larger portion is excreted from the body 1. This is where the advantage of the CELLg8® liposomal complex comes in, as itpushes these limits2,3,4.
Each capsule provides 500 mg of vitamin C and 50 mg of quercetin. A full daily dose of 2 capsules contains 1,000 mg of vitamin C and 100 mg of quercetin, creating a synergistic combination 4,5,6.
CELLg8®
We use the proprietary CELLg8® complex, which contains 85% vitamin C liposomes; here, vitamin C is incorporated into a lipid matrix 4. This proprietary matrix mimics phospholipid structures and creates an environment that protects vitamin C as it passes through the digestive tract, ensuring unmatched bioavailability in the blood 2,3,4. With standard vitamin C, absorption is limited by the capacity of intestinal transporters; therefore, bioavailability decreases as the dose increases 1. Clinical data on liposomal forms show the potential to achieve high plasma concentrations of vitamin C, and recent studies indicate even higher concentrations of vitamin C in leukocytes—that is, immune system cells— 2,3. For CELLg8®, the manufacturer also reports its own data showing approximately 2.5 times higher vitamin C levels compared to competitors 4.
Quercetin and Liposomal Vitamin C
Quercetin, in synergy with vitamin C, is also of interest because it has been studied in recent years in relation to the immune response, inflammatory signaling, oxidative stress, and the body’s response to increased stress 5 6. It fits logically into the formulation as a flavonoid synergist that expands the product’s concept toward cellular protection during periods of increasedstress 5,6.
We combine a high dose of vitamin C in the CELLg8® liposomal complex with quercetin, creating a product in which vitamin C helps protect cells from oxidative stress—which is particularly important duringperiods ofstress¹⁻²,3,4,5,6,7.
How to use:
1 capsule daily
Daily vitamin C boost.
A basic increase in intake during regular training or physical exertion, to support normal immune system function, protect cells from oxidative stress, and support normal collagen production 7.
2 capsules daily
Full daily dose of the product.
Suitable for situations where you are aiming for a noticeable increase in serum vitamin C levels 2,3,4. Typically during periods of increased physical or mental stress, more intense training, travel, seasonal transitions, or when you want to significantly support collagen production for blood vessels, skin, cartilage, gums, as well as bones and teeth 7.
Up to 4 capsules daily
For short-term use during
periods
of increased need.
This dosage is suitable for temporary use, such as during periods of significant stress. During an extremely demanding training block or in protocols focused on more intensive support for the body and tissues 1,7.
It is precisely at these high doses that the benefits of the liposomal form are fully realized.
Practical Tips:
- Take the basic dose in the morning or early afternoon.
- If you have a sensitive stomach, take it with food.
- For higher doses, spread your intake throughout the day, for example, 2 capsules in the morning and 2 capsules in the afternoon.
REFERENCES:
1 NIH Office of Dietary Supplements. Vitamin C – Fact Sheet for Health Professionals.
2 Purpura M. et al. Liposomal delivery enhances absorption of vitamin C into plasma and leukocytes: a double-blind, placebo-controlled, randomized trial. European Journal of Nutrition, 2024.
3 Davis J. L. et al. Liposomal-encapsulated ascorbic acid: influence on vitamin C bioavailability and capacity to protect against ischemia–reperfusion injury. Nutrition and Metabolic Insights, 2016.
4 CELLg8® Vitamin C 70% / 85% – manufacturer’s technical and marketing materials.
5 Fabre G. et al. The synergistic antioxidant action of vitamins E, C, and quercetin is related to the formation of molecular associations in biomembranes. Chemical Communications, 2015.
6 Skaper S. D. et al. Quercetin protects cutaneous tissue-associated cell types, including sensory neurons, from oxidative stress induced by glutathione depletion. Free Radical Biology and Medicine, 1997.
7 EU Register on Nutrition and Health Claims / Commission Regulation (EU) No. 432/2012.
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Prom-In Liposomal Vitamin C 120 cps - Dosage
- The standard dose is 2 capsules daily
- ; during periods of increased physical stress, up to 4 capsules daily may be taken
- Take with plenty of water
The package contains 120 capsules.
Nutrition Facts Table:
| 1 serving (2 capsules) | |
| CELLg8® liposomal vitamin C | 1200 mg |
| - of which vitamin C | 1000 mg (1275% RDA*) |
| Sophora japonica extract | 106 mg |
| - of which quercetin | 100 mg |
* RDI - Reference Intake (formerly Recommended Daily Allowance)
Prom-In Liposomal Vitamin C 120 cps - Ingredients
Vitamin C (L-ascorbic acid), liposomal blend (sunflower and palm oil), vegetable capsule (HPMC), anti-caking agent: vegetable magnesium stearate, Sophora japonica bud extract (95% quercetin).






