Vitamin C Effervescent Tablets Using NEOSORB® P 300 C Sorbitol
Published January 27, 2026
Resource
Pharma
Directly compressible formulation for Vitamin C effervescent tablets

Formula
| % (by weight) | mg / tablet | |
|---|---|---|
| Sodium bicarbonate | 30.80 | 693.00 |
| Tartaric acid | 26.40 | 594.00 |
| Ascorbic acid (90% content) | 20.00 | 450.00 |
| NEOSORB® P 300 C sorbitol | 9.44 | 212.40 |
| Granulated sodium ascorbate | 4.70 | 105.75 |
| Sodium benzoate | 3.70 | 83.25 |
| PEG 6000 | 2.80 | 63.00 |
| Orange flavor | 1.80 | 40.50 |
| Sodium saccharinate, ground | 0.36 | 8.10 |
Method
In a mixer, pour and mix for 5 minutes in 6 steps:
- Tartaric acid and sodium bicarbonate
- Ascorbic acid and sodium ascorbate
- NEOSORB® P 300 C, flavor and sodium saccharinate
- A third of PEG 6000 and sodium benzoate
- A third of PEG 6000 and sodium benzoate
- A third of PEG 6000 and sodium benzoate
The powder is ready to be compressed.
Additional Comments
500 mg Vitamin C for a 2.25 g tablet.
Disclaimer
This formula is a guideline for recommended use of our products; it does not imply consent to their use in violation of existing patent(s).
These details are for information only and we believe them to be reliable.