Lettered Vitamins (A, B, C, D, E, K)

LifeSource letter vitamins include essential nutrients like Vitamin A, B-Complex, Vitamin C, Vitamin D, Vitamin E, and Vitamin K designed to support immune health, energy production, bone strength, and overall wellness.* Manufactured in FDA-registered, GMP-certified facilities and third-party tested for purity and potency, LifeSource supplements deliver trusted quality.*

Products in this collection

5 products
36 Products
  • Beta Carotene 7,500 mcg RAE (25,000 IU) - 90 Softgels - Vitamin A
    Rated 5.0 out of 5
    3 Reviews

    Beta Carotene 7,500 mcg RAE (25,000 IU) - 90 Softgels - Vitamin A

    Original Price: $13.99   Current Price: $13.99
  • Vitamin B Complex Coenzymated - 2 Sizes / 30 & 60 Veg Caps

    Vitamin B Complex Coenzymated - 2 Sizes / 30 & 60 Veg Caps

    Original Price: $19.99   Current Price: From $19.99
  • Vitamin B Complex VEGAN - Organic - 60 Vegetarian Tablets
    Rated 5.0 out of 5
    3 Reviews

    Vitamin B Complex VEGAN - Organic - 60 Vegetarian Tablets

    Original Price: $29.99   Current Price: $29.99
  • Niacin - Flush-Free - 250 mg - Vitamin B3 - Inositol - 90 Capsules
    Rated 5.0 out of 5
    1 Review

    Niacin - Flush-Free - 250 mg - Vitamin B3 - Inositol - 90 Capsules

    Original Price: $14.99   Current Price: $14.99
  • Vitamin B Superior Methyl-B Complex - 120 Veg Capsules
    Rated 5.0 out of 5
    9 Reviews

    Vitamin B Superior Methyl-B Complex - 120 Veg Capsules

    Original Price: $29.99   Current Price: $29.99
  • Vitamin B-50 Complex 50 mg - 100 Capsules
    Rated 5.0 out of 5
    5 Reviews

    Vitamin B-50 Complex 50 mg - 100 Capsules

    Original Price: $18.99   Current Price: $18.99
  • Vitamin B-100 Complex 100 mg - 100 Veg Capsules
    Rated 4.92 out of 5
    24 Reviews

    Vitamin B-100 Complex 100 mg - 100 Veg Capsules

    Original Price: $27.99   Current Price: $27.99
  • Biotin 2,500 mcg - Vitamin B7 - Natural Berry - 60 Vegan Lozenges

    Biotin 2,500 mcg - Vitamin B7 - Natural Berry - 60 Vegan Lozenges

    Original Price: $14.99   Current Price: $14.99
  • Biotin 5,000 mcg - 60 Veg Caps - 5 mg - Vitamin B7
    Rated 4.6 out of 5
    5 Reviews

    Biotin 5,000 mcg - 60 Veg Caps - 5 mg - Vitamin B7

    Original Price: $9.99   Current Price: $9.99
  • Biotin 10,000 mcg - Extra Strength - Vitamin B7 - 90 Veg Capsules
    Rated 4.75 out of 5
    4 Reviews

    Biotin 10,000 mcg - Extra Strength - Vitamin B7 - 90 Veg Capsules

    Original Price: $21.99   Current Price: $21.99
  • Methyl Folate 400 mcg 5-MTHF - Vitamin B9 - 90 Vegan Tablets
    Rated 5.0 out of 5
    3 Reviews

    Methyl Folate 400 mcg 5-MTHF - Vitamin B9 - 90 Vegan Tablets

    Original Price: $16.99   Current Price: $16.99
  • Vitamin B-12 - Methyl B-12 1,000 mcg - 60 Chewable Tabs

    Vitamin B-12 - Methyl B-12 1,000 mcg - 60 Chewable Tabs

    Original Price: $10.99   Current Price: $10.99
  • Vitamin B-12 Methyl B-12 1200 mcg Complex Liquid - Raspberry - 2 fl oz
    Rated 5.0 out of 5
    2 Reviews

    Vitamin B-12 Methyl B-12 1200 mcg Complex Liquid - Raspberry - 2 fl oz

    Original Price: $16.99   Current Price: $16.99
  • Vitamin B-12 1,000 mcg Liquid Drops - 2 fl oz
    Rated 5.0 out of 5
    8 Reviews

    Vitamin B-12 1,000 mcg Liquid Drops - 2 fl oz

    Original Price: $10.99   Current Price: $10.99
  • Vitamin B-12 Methyl B12 5,000 mcg w/ Folate 600 mcg DFE - 60 Lozenges
    Rated 5.0 out of 5
    5 Reviews

    Vitamin B-12 Methyl B12 5,000 mcg w/ Folate 600 mcg DFE - 60 Lozenges

    Original Price: $25.99   Current Price: $25.99
  • Vitamin B-6 100 mg - 100 Tablets
    Rated 5.0 out of 5
    2 Reviews

    Vitamin B-6 100 mg - 100 Tablets

    Original Price: $8.99   Current Price: $8.99
  • Vitamin C 1,000 mg Crystals - Powder 8.8 oz.
    Rated 4.71 out of 5
    7 Reviews

    Vitamin C 1,000 mg Crystals - Powder 8.8 oz.

    Original Price: $30.99   Current Price: $30.99
  • Vitamin C 1,000 mg Tablets - 2 Sizes
    Rated 5.0 out of 5
    9 Reviews

    Vitamin C 1,000 mg Tablets - 2 Sizes

    Original Price: $12.99   Current Price: From $12.99
  • Vitamin C 500 mg Chewable Tablets - Orange - 100 Tablets
    Rated 4.84 out of 5
    19 Reviews

    Vitamin C 500 mg Chewable Tablets - Orange - 100 Tablets

    Original Price: $18.99   Current Price: $18.99
  • Vitamin C 500 mg Liquid - 4 fl. oz.
    Rated 4.5 out of 5
    2 Reviews

    Vitamin C 500 mg Liquid - 4 fl. oz.

    Original Price: $12.99   Current Price: $12.99
  • Vitamin C 500 mg with Rose Hips - 2 Sizes
    Rated 5.0 out of 5
    5 Reviews

    Vitamin C 500 mg with Rose Hips - 2 Sizes

    Original Price: $9.99   Current Price: From $9.99
  • Vitamin C Complete w/ Bioflavonoids - 100 Capsules
    Rated 5.0 out of 5
    4 Reviews

    Vitamin C Complete w/ Bioflavonoids - 100 Capsules

    Original Price: $23.99   Current Price: $23.99
  • Vitamin C Superior C 500 mg - Threonic Acid - Enhanced Buffered Bioavailable Vitamin C - 2 Sizes
    Rated 4.67 out of 5
    3 Reviews

    Vitamin C Superior C 500 mg - Threonic Acid - Enhanced Buffered Bioavailable Vitamin C - 2 Sizes

    Original Price: $19.99   Current Price: From $19.99
  • Vitamin D3 1,250 mcg (50,000 IU) Weekly - 50 Softgels
    Rated 5.0 out of 5
    2 Reviews

    Vitamin D3 1,250 mcg (50,000 IU) Weekly - 50 Softgels

    Original Price: $24.99   Current Price: $24.99
  • Vitamin D3 125 mcg (5,000 IU) - 2 Sizes / 120 & 240 Softgels
    Rated 4.8 out of 5
    20 Reviews

    Vitamin D3 125 mcg (5,000 IU) - 2 Sizes / 120 & 240 Softgels

    Original Price: $15.99   Current Price: From $15.99
  • Vitamin D3 125 mcg (5,000 IU) Capsules - 90 Capsules
    Rated 5.0 out of 5
    4 Reviews

    Vitamin D3 125 mcg (5,000 IU) Capsules - 90 Capsules

    Original Price: $12.99   Current Price: $12.99
  • Vitamin D3 125 mcg (5000 IU) Liquid - 1 fl oz / 3 Versions - Unflavored, Mint or Citrus
    Rated 5.0 out of 5
    2 Reviews

    Vitamin D3 125 mcg (5000 IU) Liquid - 1 fl oz / 3 Versions - Unflavored, Mint or Citrus

    Original Price: $14.99   Current Price: $14.99
  • Vitamin D3 25 mcg (1,000 IU) - 2 Sizes / 180 & 360 Softgels
    Rated 4.76 out of 5
    21 Reviews

    Vitamin D3 25 mcg (1,000 IU) - 2 Sizes / 180 & 360 Softgels

    Original Price: $11.99   Current Price: From $11.99
  • Vitamin D3 250 mcg (10,000 IU) - 90 Softgels
    Rated 4.67 out of 5
    3 Reviews

    Vitamin D3 250 mcg (10,000 IU) - 90 Softgels

    Original Price: $14.99   Current Price: $19.99
  • Vitamin D3 50 mcg (2,000 IU) - 120 Softgels
    Rated 5.0 out of 5
    10 Reviews

    Vitamin D3 50 mcg (2,000 IU) - 120 Softgels

    Original Price: $11.99   Current Price: $11.99
  • Vitamin D3 62.5 mcg (2,500 IU) & Vitamin K2 200 mcg - Liquid - 1 fl oz

    Vitamin D3 62.5 mcg (2,500 IU) & Vitamin K2 200 mcg - Liquid - 1 fl oz

    Original Price: $21.99   Current Price: $21.99
  • Vitamin E 400 mg - 100 Liquid Caps

    Vitamin E 400 mg - 100 Liquid Caps

    Original Price: $19.99   Current Price: $19.99
  • Vitamin K-2 100 mcg & D3 125 mcg (5,000 IU) - 2 Sizes / 60 & 120 Veg Caps
    Rated 5.0 out of 5
    7 Reviews

    Vitamin K-2 100 mcg & D3 125 mcg (5,000 IU) - 2 Sizes / 60 & 120 Veg Caps

    Original Price: $19.99   Current Price: From $19.99
  • Vitamin K-2 75 mcg with D3 50 mcg (2,000 IU) Chewables - Cherry - 90 Chewable Tablets
    Rated 4.81 out of 5
    31 Reviews

    Vitamin K-2 75 mcg with D3 50 mcg (2,000 IU) Chewables - Cherry - 90 Chewable Tablets

    Original Price: $15.99   Current Price: $15.99
  • Vitamin K-2 MK-4 100 mcg w/ 250mg Alfalfa - 100 Veg Capsules
    Rated 5.0 out of 5
    2 Reviews

    Vitamin K-2 MK-4 100 mcg w/ 250mg Alfalfa - 100 Veg Capsules

    Original Price: $16.99   Current Price: $16.99
  • Vitamin K-2 MK-7 100 mcg - 60 Veg Capsules
    Rated 5.0 out of 5
    13 Reviews

    Vitamin K-2 MK-7 100 mcg - 60 Veg Capsules

    Original Price: $21.99   Current Price: $21.99