Natural Factors Calcium Citrate vs Solgar Calcium Citrate Vitamin D3
Side-by-side supplement facts comparison
Calcium Citrate, 350 mg, 90 Tablets
Adequate calcium as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life. Isura™: Non-GMO: Documentation ✔ Mass Spec: Lab Tested ✔

Calcium Citrate with Vitamin D3, 240 Tablets
Calcium is an essential mineral needed every day for proper health. 99% of the body's calcium can be found in the bones and teeth. This mineral provides the building blocks that help keep bones and teeth strong and healthy. In addition, calcium helps to support the health of other systems in the body, including musculoskeletal and nervous systems. This formulation contains Vitamin D3 to promote calcium absorption. Adequate Calcium and Vitamin D as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life.

At a Glance
Processing analysis…
Ingredient Comparison
Total mg Per Serving
Calcium Citrate, 350 mg, 90 Tablets
Calcium Citrate with Vitamin D3, 240 Tablets
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0 servings per container
60 servings per container

Calcium Citrate, 350 mg, 90 Tablets
Natural Factors · 1 Tablet
Calcium Citrate, 350 mg, 90 Tablets
Natural Factors · 1 Tablet
| Ingredient | Amount | DV |
|---|---|---|
Calcium (citrate) | 350 mg | 27% |
† Daily Value not established

Calcium Citrate with Vitamin D3, 240 Tablets
Solgar · 4 Tablets
Calcium Citrate with Vitamin D3, 240 Tablets
Solgar · 4 Tablets
| Ingredient | Amount | DV |
|---|---|---|
Calories | 10 | † |
Total Carbohydrate | 1 g | † |
Dietary Fiber | 1 g | 4% |
Vitamin D (as cholecalciferol) | 15 mcg (600 IU) | 75% |
Calcium (as calcium citrate) | 1000 mg | 77% |
Sodium† | 20 mg | † |
† Daily Value not established
Other Ingredients Analysis
Analysis of inactive ingredients for dietary restrictions, allergens, and artificial additives.

Calcium Citrate, 350 mg, 90 Tablets
Natural Factors
Excellent
Other Ingredients
Croscarmellose sodium, coating (carbohydrate gum (cellulose), glycerin), magnesium stearate (vegetable grade).Warnings
Positives

Calcium Citrate with Vitamin D3, 240 Tablets
Solgar
Excellent
Other Ingredients
Microcrystalline cellulose, vegetable cellulose, silica, vegetable magnesium stearate, vegetable glycerin, carnauba wax.Warnings
Positives
How Clean Score is Calculated
Serving Information
| Detail | Calcium Citrate, 350 mg, 90 Tablets | Calcium Citrate with Vitamin D3, 240 Tablets |
|---|---|---|
| Serving Size | 1 Tablet | 4 Tablets |
| Servings Per Container | — | 60 |
| Package Quantity | 90 count | 240 count |
Certifications & Claims
Calcium Citrate, 350 mg, 90 Tablets
Calcium Citrate with Vitamin D3, 240 Tablets