Optimal Vitamin C Plus
by Seeking Health · Powder
Supplement facts from the label of Optimal Vitamin C Plus by Seeking Health: Vitamin C 2,600 mg, Calcium 28 mg, Magnesium 220 mg, Potassium 99 mg….

Supplement Facts
| Ingredient | Per serving | % DV | Upper limit (adults) |
|---|---|---|---|
| Vitamin C (Ascorbic Acid, Calcium Ascorbate, Magnesium Ascorbate) | 2,600 mg | 2,889% | 2,000 mg · 130% at label max ⚠ |
| Calcium (Calcium Ascorbate) | 28 mg | 2% | 2,500 mg · 1% at label max |
| Magnesium (Magnesium Ascorbate) | 220 mg | 52% | 350 mg · 63% at label max |
| Potassium (Potassium Bicarbonate) | 99 mg | 2% | — |
| Quercetin (Quercetin Dihydrate) | 20 mg | — | — |
| Luteolin (Sophora japonica) | 20 mg | — | — |
⚠ Above the upper limit: at the most servings a day printed on the label, at least one ingredient goes above the adult UL. Some ULs apply only to supplemental forms (shown on each ingredient page).
Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.
On the label
For: Adult (18 - 50 Years) · Gluten Free · Dairy Free
Claim types: Nutrient · All Other · Structure/Function
Suggested/Recommended/Usage/Directions: Suggested use: Mix 1 scoop daily in filtered water or beverage of choice, or use as directed by your healthcare professional.
Precautions re: Children: Caution: Children and pregnant or lactating women should consult their healthcare professional prior to use. Storage: Keep closed in a cool, dry place out of reach of children.
Precautions re: Pregnant or Nursing or Prescription Medications: Caution: Children and pregnant or lactating women should consult their healthcare professional prior to use.
Precautions re: All Other: Do not use if tamper seal is damaged.
Storage: Storage: Keep closed in a cool, dry place out of reach of children.
Formula re: Contains: Optimal Vitamin C Plus supports a healthy immune system and seasonal respiratory wellbeing. This formula is buffered with calcium, magnesium, and potassium for GI comfort. The added bioflavonoids support Vitamin C absorption and utilization.
This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.
Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).