Thiamin
Thiamin, also known as Vitamin B-1, is essential for energy metabolism and helps convert carbohydrates into energy.
1 / 2
- Servings
- 60
- Price/serv
- 0.72
- Price
- 43.07
- Format
- Tablet
- Servings
- 60
- Price/serv
- 0.72
- Price
- 43.07
- Format
- Tablet
21st Century
21st Century B-100 Complex Prolonged Release 60 Tablets
43.07
(VAT incl.)
0.72 per serving
38.76 with code GOLD10
Checking delivery time for this itemFREE shipping & returns on all orders
Secure checkout
Earn 43 Cash Points when you buy this product
1
- Supports energy production, metabolism, nervous system health, and red blood cell formation. The prolonged release formula releases essential B vitamins gradually throughout the day.
Benefits
- Energy & Vitality
FormTablet
Size60 tablets
Certifications & quality
- Gluten-Free
- Non-GMO
100% Authentic Guaranteed
100% Authentic · Verified Supply Chain
Sourced directly from the brand or its authorised distributor — never third-party resellers.
Payment methods
21st Century B-100 Complex Prolonged Release is designed for people who need sustained energy and metabolic support throughout the day. The time-release formula delivers B vitamins (B1, B2, B3, B6, B12, and folic acid) gradually, supporting energy production and nervous system health. Each bottle contains 60 tablets for daily use.
B vitamins including B1, B2, B3, B6, and B12, plus folic acid.
Full ingredients list (21)
Thiamin (as Thiamin Mononitrate, Vitamin B-1), Riboflavin (Vitamin B-2), Niacin (as Niacinamide), Vitamin B-6 (as Pyridoxine HCI), Folate, Vitamin B-12 (as Cyanocobalamin), Biotin, Pantothenic Acid (as d-Calcium Pantothenate), Calcium (as Calcium Carbonate), Cellulose, Stearic Acid, Hydroxypropyl Methylcellulose, Silicon Dioxide, Dicalcium Phosphate, Ethylcellulose, Gum Acacia, Magnesium Silicate, Magnesium Stearate, Polyethylene Glycol, Polysorbate, Polyvinyl Alcohol.
As printed on the pack.
From the product label.
Fits your routine
Thiamine · 100 mg
per 1 Tablet · 8333% DV
- Riboflavin 100 mg
- Niacin 100 mg
- +7 more in Supplement Facts
Label directions: As a vitamin supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider.
- Slot
- Morning
From the product label. A planning tool, not medical advice. You can change everything afterwards.
Key Ingredients(5)
Riboflavin
Riboflavin, or Vitamin B-2, plays a crucial role in energy production and the metabolism of fats, drugs, and steroids.
Niacin
Niacin, also known as Vitamin B-3, is important for DNA repair and the production of stress and sex hormones in the adrenal glands.
Vitamin B-6
Vitamin B-6 is vital for protein metabolism and cognitive development, and it helps in the production of neurotransmitters.
Vitamin B-12
Vitamin B-12 is essential for red blood cell formation and neurological function, and it helps in DNA synthesis.
Supplement Facts
Supplement Facts
60 servings per container
Serving Size1 Tablet
Amount Per Serving% Daily Value*
Thiamine100 mg8333%
Riboflavin100 mg7692%
Niacin100 mg625%
Vitamin B6100 mg5882%
Folate667 mcg DFE167%
Folic Acid400 mcg†
Vitamin B12100 mcg4167%
Biotin100 mcg333%
Pantothenic Acid100 mg2000%
Calcium124 mg10%
† Daily Value not established.
How to Use
As a vitamin supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage. Individual results may vary.
Specs last updated: October 21, 2026
