21st Century B-50 Complex vs Thorne B-Complex #12
Side-by-side supplement facts comparison
B-50 Complex, Prolonged Release, 60 Tablets
B vitamins are interdependent upon each other and interrelated in function; they help convert food into energy and help maintain the nervous system and body tissues. Prolonged release vitamins slowly release nutrients into the body over an extended period of time.

B-Complex #12, 60 Capsules
B-vitamin complex with extra B12 and folate. B-Complex #12 supports energy production and healthy neurological function. Unlike many multi-B vitamins, it contains the active forms of water-soluble B vitamins.

At a Glance
Processing analysis…
Ingredient Comparison
Total mg Per Serving
B-50 Complex, Prolonged Release, 60 Tablets
B-Complex #12, 60 Capsules
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0 servings per container
0 servings per container

B-50 Complex, Prolonged Release, 60 Tablets
21st Century · 1 Tablet
B-50 Complex, Prolonged Release, 60 Tablets
21st Century · 1 Tablet
| Ingredient | Amount | DV |
|---|---|---|
Thiamin (as Thiamin Mononitrate, Vitamin B-1) | 50 mg | 4% |
Riboflavin (Vitamin B-2) | 50 mg | 3% |
Niacin (as Niacinamide) | 50 mg | 313% |
Vitamin B-6 (as Pyridoxine HCl) | 50 mg | 2% |
Folate | 667 mcg DFE (400 mcg Folic Acid) | 167% |
Vitamin B-12 (as Cyanocobalamin) | 50 mcg | 2% |
Biotin | 50 mcg | 167% |
Pantothenic Acid (as d-Calcium Pantothenate) | 10 mg | 200% |
Calcium (as Calcium Carbonate) | 124 mg | 10% |
† Daily Value not established

B-Complex #12, 60 Capsules
Thorne · One Capsule
B-Complex #12, 60 Capsules
Thorne · One Capsule
| Ingredient | Amount | DV |
|---|---|---|
Thiamin (as Thiamin HCl) | 40 mg | 3% |
Riboflavin (25 mg as Riboflavin and 3.6 mg as Riboflavin 5' - Phosphate Sodium) | 28.6 mg | 2% |
Niacin (as Niacinamide) | 80 mg | 500% |
Vitamin B6 (20 mg as Pyridoxine HCl and 3.4 mg as Pyridoxal 5'-Phosphate) | 23.4 mg | 1% |
Folate (400 mcg as L-5-Methyltetrahydrofolate† from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt) | 667 mcg DFE | 167% |
Vitamin B12 (as Methylcobalamin) | 600 mcg | 25% |
Biotin | 80 mcg | 267% |
Pantothenic Acid (as Calcium Pantothenate) | 45 mg | 900% |
Choline (as Choline Citrate) | 14 mg | 3% |
† Daily Value not established
Other Ingredients Analysis
Analysis of inactive ingredients for dietary restrictions, allergens, and artificial additives.

B-50 Complex, Prolonged Release, 60 Tablets
21st Century
Excellent
Other Ingredients
Cellulose, stearic acid, hydroxypropyl methylcellulose, silicon dioxide, gum acacia. Contains 2% of: Dicalcium phosphate, ethylcellulose, magnesium silicate, magnesium stearate, polyethylene glycol, polysorbate, polyvinyl alcohol.Warnings
Positives

B-Complex #12, 60 Capsules
Thorne
Excellent
Other Ingredients
Hypromellose (derived from cellulose) capsule, microcrystalline cellulose, calcium laurate, silicon dioxide.Warnings
Positives
How Clean Score is Calculated
Serving Information
| Detail | B-50 Complex, Prolonged Release, 60 Tablets | B-Complex #12, 60 Capsules |
|---|---|---|
| Serving Size | 1 Tablet | One Capsule |
| Servings Per Container | — | — |
| Package Quantity | 60 count | 60 count |
Certifications & Claims
B-50 Complex, Prolonged Release, 60 Tablets
B-Complex #12, 60 Capsules