Last update
5/16/2026
Reviewed By
Overview
SCIENTIFIC SCORE
Possibly Effective
Based on 1 Research
7
USERS' SCORE
Good
Based on 2 Reviews
8.1
Supplement Facts
Serving Size: 2 Capsules
Amount Per Serving
%DV
Vitamin C(as Ester-C® Calcium Ascorbate)
1,000 mg (1 g)
1,111%
Calcium(as Ester-C® Calcium Ascorbate)
110 mg
8%
Citrus Bioflavonoids ComplexCitrus Bioflavonoids (Citrus limon) (fruit), Sweet Orange,Tangerine, Lime, Lemon, Acerola, Rutin, Hesperidin Complex(Citrus spp.) (fruit), Naturally Occurring Vitamin C Metabolites
400 mg
**
Top Medical Research Studies
7
Novel nanoparticle system demonstrates enhanced cancer-fighting potential
We designed a specialized nanoparticle system combining copper-doped metal-organic frameworks with calcium ascorbate (a form of vitamin C) to fight cancer more effectively. The system is wrapped in hyaluronic acid, which acts like a homing beacon to target tumors.
Once inside tumor cells, the nanoparticles release calcium ascorbate, which generates hydrogen peroxide—a powerful cancer-fighting molecule. At the same time, the released copper works to strip away glutathione, a natural defense that cancer cells use to protect themselves. This one-two punch creates toxic hydroxyl radicals that damage cancer cells while reducing their ability to survive.
Our tests showed this approach significantly enhanced cancer cell death compared to traditional methods, suggesting a promising new strategy for more effective chemodynamic therapy.
Once inside tumor cells, the nanoparticles release calcium ascorbate, which generates hydrogen peroxide—a powerful cancer-fighting molecule. At the same time, the released copper works to strip away glutathione, a natural defense that cancer cells use to protect themselves. This one-two punch creates toxic hydroxyl radicals that damage cancer cells while reducing their ability to survive.
Our tests showed this approach significantly enhanced cancer cell death compared to traditional methods, suggesting a promising new strategy for more effective chemodynamic therapy.
Read More
Most Useful Reviews
6
Prevention for cancer
Good Vitamin C is recommended as a preventative for cancer. I take it occasionally for this reason.
Read More
6
Cancer journey support
I have taken this supplement for many years, but I have reduced my dosage to 500mg now as I take several other supplements high in vitamin C. It plays a role in my Cancer journey!
Read More
Medical Researches
SCIENTIFIC SCORE
Possibly Effective
Based on 1 Research
7
- All Researches
7
Novel nanoparticle system demonstrates enhanced cancer-fighting potential
We designed a specialized nanoparticle system combining copper-doped metal-organic frameworks with calcium ascorbate (a form of vitamin C) to fight cancer more effectively. The system is wrapped in hyaluronic acid, which acts like a homing beacon to target tumors.
Once inside tumor cells, the nanoparticles release calcium ascorbate, which generates hydrogen peroxide—a powerful cancer-fighting molecule. At the same time, the released copper works to strip away glutathione, a natural defense that cancer cells use to protect themselves. This one-two punch creates toxic hydroxyl radicals that damage cancer cells while reducing their ability to survive.
Our tests showed this approach significantly enhanced cancer cell death compared to traditional methods, suggesting a promising new strategy for more effective chemodynamic therapy.
Once inside tumor cells, the nanoparticles release calcium ascorbate, which generates hydrogen peroxide—a powerful cancer-fighting molecule. At the same time, the released copper works to strip away glutathione, a natural defense that cancer cells use to protect themselves. This one-two punch creates toxic hydroxyl radicals that damage cancer cells while reducing their ability to survive.
Our tests showed this approach significantly enhanced cancer cell death compared to traditional methods, suggesting a promising new strategy for more effective chemodynamic therapy.
Read More
User Reviews
USERS' SCORE
Good
Based on 2 Reviews
8.1
- All Reviews
- Positive Reviews
- Negative Reviews
6
Prevention for cancer
Good Vitamin C is recommended as a preventative for cancer. I take it occasionally for this reason.
Read More
6
Cancer journey support
I have taken this supplement for many years, but I have reduced my dosage to 500mg now as I take several other supplements high in vitamin C. It plays a role in my Cancer journey!
Read More
Frequently Asked Questions
References
- Zhang M, Xue H, Yang J, Zhao X, Xue M, et al. Copper(II)-based metal-organic framework delivery of calcium ascorbate for enhanced chemodynamic therapy HO self-supply and glutathione depletion. Biomater Sci. 2024;12:1871. 10.1039/d3bm01922e
