21st Century Calcium Citrate + D3 Maximum vs Swanson Calcium Citrate & Vitamin D3
Side-by-side supplement facts comparison
Calcium Citrate + D3 Maximum, 75 Tablets
Calcium Citrate is an easily absorbable form of Calcium, an important mineral for bone health. Vitamin D3 is added to assist with calcium absorption.

Calcium Citrate & Vitamin D3, 250 Tablets
Calcium Citrate & Vitamin D from Swanson Health Products offers economical bone nourishment in one convenient formula. Recommended by doctors and nutritionists for promoting strong bones, this special formula combines an easy-to-assimilate form of calcium with a generous supply of vitamin D to promote absorption even further.

At a Glance
Processing analysis…
Ingredient Comparison
Total mg Per Serving
Calcium Citrate + D3 Maximum, 75 Tablets
Calcium Citrate & Vitamin D3, 250 Tablets
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37 servings per container
125 servings per container

Calcium Citrate + D3 Maximum, 75 Tablets
21st Century · 2 Tablets
Calcium Citrate + D3 Maximum, 75 Tablets
21st Century · 2 Tablets
| Ingredient | Amount | DV |
|---|---|---|
Vitamin D3 (as Cholecalciferol) | 13 mcg (500 IU) | 63% |
Calcium (as Calcium Citrate) | 630 mg | 48% |
† Daily Value not established

Calcium Citrate & Vitamin D3, 250 Tablets
Swanson · 2 Tablets
Calcium Citrate & Vitamin D3, 250 Tablets
Swanson · 2 Tablets
| Ingredient | Amount | DV |
|---|---|---|
Vitamin D3 | 12.5 mcg | 63% |
Calcium | 630 mg | 48% |
† Daily Value not established
Other Ingredients Analysis
Analysis of inactive ingredients for dietary restrictions, allergens, and artificial additives.
Swanson Calcium Citrate & Vitamin D3, 250 Tabletshas a cleaner “other ingredients” profile

Calcium Citrate + D3 Maximum, 75 Tablets
21st Century
Needs Review
Other Ingredients
Cellulose, stearic acid. Contains <2% of: BHA, BHT, croscarmellose sodium, gelatin, magnesium silicate, magnesium stearate, peg, polyvinyl alcohol, starch, sucrose, talc, titanium dioxide, vegetable oil, water.Concerns
Warnings
Positives

Calcium Citrate & Vitamin D3, 250 Tablets
Swanson
Excellent
Other Ingredients
Stearic acid, silica, croscarmellose sodium, magnesium stearate, clear coating (hypromellose, polyethylene glycol, purified water).Warnings
Positives
How Clean Score is Calculated
Serving Information
| Detail | Calcium Citrate + D3 Maximum, 75 Tablets | Calcium Citrate & Vitamin D3, 250 Tablets |
|---|---|---|
| Serving Size | 2 Tablets | 2 Tablets |
| Servings Per Container | 37 | 125 |
| Package Quantity | 75 count | 250 count |
Certifications & Claims
Calcium Citrate + D3 Maximum, 75 Tablets
Calcium Citrate & Vitamin D3, 250 Tablets