21st Century B-50 Complex vs NaturesPlus B-Complex
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 with Rice Bran, 90 Tablets
Looking for all the benefits of vitamin B in a high-quality supplement? B-Complex with Rice Bran from NaturesPlus provides the complete B complex—it's the best vitamin B supplement you'll find!

At a Glance
Processing analysis…
Ingredient Comparison
Total mg Per Serving
B-50 Complex, Prolonged Release, 60 Tablets
B-Complex with Rice Bran, 90 Tablets
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0 servings per container
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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 with Rice Bran, 90 Tablets
NaturesPlus · 1 Tablet
B-Complex with Rice Bran, 90 Tablets
NaturesPlus · 1 Tablet
| Ingredient | Amount | DV |
|---|---|---|
Thiamin (vitamin B1) (as thiamine HCl) | 10 mg | 833% |
Riboflavin (vitamin B2) | 10 mg | 769% |
Niacin (as niacinamide) | 50 mg NE | 313% |
Vitamin B6 (as pyridoxine HCl) | 10 mg | 588% |
Folate (as calcium-L-5-methyl-tetrahydrofolate) | 167 mcg DFE (100 mcg L-methylfolate) | 42% |
Vitamin B12 (as methylcobalamin) | 10 mcg | 417% |
Biotin | 20 mcg | 67% |
Pantothenic Acid (as calcium pantothenate) | 15 mg | 300% |
Choline (as bitartrate) | 50 mg | 9% |
Inositol | 50 mg | † |
PABA (para-aminobenzoic acid) | 10 mg | † |
† 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 with Rice Bran, 90 Tablets
NaturesPlus
Excellent
Other Ingredients
Microcrystalline cellulose, stearic acid, vegetable cellulose, rice bran, magnesium stearate and pharmaceutical glaze.Warnings
Positives
How Clean Score is Calculated
Serving Information
| Detail | B-50 Complex, Prolonged Release, 60 Tablets | B-Complex with Rice Bran, 90 Tablets |
|---|---|---|
| Serving Size | 1 Tablet | 1 Tablet |
| Servings Per Container | — | — |
| Package Quantity | 60 count | 90 count |
Certifications & Claims
B-50 Complex, Prolonged Release, 60 Tablets
B-Complex with Rice Bran, 90 Tablets