LifeSource Vitamins Vitamin B-12 Complex Sublingual — 1,000 mcg, Liquid, 2 fl. oz. — Supports Energy & Nervous System Health
LifeSource Vitamins Vitamin B-12 Complex Sublingual combines bioactive cobalamin with complementary B-vitamins (B-1, B-2, B-3, B-5, B-6, Folate) and Vitamin C in a fast-absorbing liquid formula. Formulated to support energy metabolism, nervous system health, and healthy homocysteine metabolism.*
✅ Family-Owned Since 1992
✅ GMP-Certified Facilities
✅ 3rd-Party Tested
⭐ Trusted by over 100,000 customers with over 7,000 5-star reviews
Key Benefits
- Supports energy metabolism*
- Supports nervous system health*
- Supports healthy homocysteine metabolism*
- Fast-absorbing sublingual liquid*
Key Ingredients
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Vitamin B-12 Complex Sublingual (1,000 mcg) with complementary B-vitamins and Vitamin C — formulated to support energy metabolism, nervous system health, and healthy homocysteine metabolism.*
Who May Benefit Most
- Adults seeking support for energy metabolism and nervous system health*
- Individuals preferring fast-absorbing sublingual liquid formulas*
- Those with higher B-12 needs or following plant-based diets*
- Anyone wanting comprehensive B-vitamin support in liquid form*
Independently 3rd-Party Tested
Identity • Purity • Potency • Label Accuracy
Produced in FDA-registered, GMP-certified facilities.
See Our Testing Results →
Why Trust LifeSource Vitamins
Since 1992, LifeSource Vitamins has remained committed to providing high-quality supplements made with carefully selected ingredients and rigorously tested for identity, purity, potency, and label accuracy. As a family-owned company, we believe you deserve transparency, consistency, and products you can trust to support your wellness goals.
Wellness Research & Education
LifeSource Vitamins evaluates wellness research and educational resources from respected organizations including the National Institutes of Health (NIH), Mayo Clinic, Harvard Health, Johns Hopkins Medicine, Cleveland Clinic, Mount Sinai, and other trusted health resources.
- Research has explored Vitamin B-12's role in supporting energy metabolism.*
- Research has explored Vitamin B-12's contribution to nervous system health.*
Suggested Use
Place 1 dropper (1 mL) under the tongue daily; hold for ~30 seconds before swallowing, or as directed by your healthcare professional.*
Product Specifications
• Serving Size: 1 Dropper (1 mL) • Servings Per Container: ~59
• Form: Sublingual Liquid • Vegetarian • Non-GMO • Gluten-Free
Questions? Contact us at info@lifesourcevitamins.com or call 800.567.8122.
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*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Supports energy metabolism, nervous system health & healthy homocysteine metabolism with Vitamin B-12 Complex Sublingual. Third-party tested, Family-Owned & Trusted Since 1992.*
