21st Century Calcium Citrate + D3 Maximum vs Swanson Calcium Citrate & Vitamin D3

Side-by-side supplement facts comparison

At a Glance

Processing analysis…

Ingredient Comparison

Total mg Per Serving

Calcium Citrate + D3 Maximum, 75 Tablets

Calcium Citrate & Vitamin D3, 250 Tablets

37 servings per container

125 servings per container

2 shared ingredients
0 only in Calcium Citrate + D3 Maximum, 75 Tablets
0 only in Calcium Citrate & Vitamin D3, 250 Tablets

Calcium Citrate + D3 Maximum, 75 Tablets

21st Century · 2 Tablets

IngredientAmountDV
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

IngredientAmountDV
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

45

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

Contains titanium dioxideContains bhtContains bha

Warnings

Contains gelatin (may not be vegan)Contains magnesium stearate (may not be vegan)3 filler ingredients

Positives

No common allergens

Calcium Citrate & Vitamin D3, 250 Tablets

Swanson

100

Excellent

Other Ingredients

Stearic acid, silica, croscarmellose sodium, magnesium stearate, clear coating (hypromellose, polyethylene glycol, purified water).

Warnings

Contains magnesium stearate (may not be vegan)

Positives

No artificial colors or flavors detectedNo common allergens

How Clean Score is Calculated

Each positive: +5 points
Each warning or concern: −10 points

Serving Information

DetailCalcium Citrate + D3 Maximum, 75 TabletsCalcium Citrate & Vitamin D3, 250 Tablets
Serving Size2 Tablets2 Tablets
Servings Per Container37125
Package Quantity75 count250 count

Certifications & Claims

Calcium Citrate + D3 Maximum, 75 Tablets

Gluten-Free

Calcium Citrate & Vitamin D3, 250 Tablets

No certifications listed

Browse more comparisons in

21st Century vs Swanson Supplements: Ingredients Compared