Source Naturals - Vitamin B-12 5 mg - 60 Fast Melt

High-Potency Vitamin B-12 Fast Melt for Energy & Nervous System Support

Source Naturals Vitamin B-12 delivers 5,000 mcg (5 mg) of high-potency vitamin B12 in a convenient fast-melt tablet that dissolves quickly under the tongue for rapid absorption. This 60-tablet bottle provides two months of powerful B12 supplementation to support energy production, nervous system health, brain function, and overall vitality.*

Key Benefits

• Ultra-high potency – 5,000 mcg (5 mg) of vitamin B12 per tablet for maximum support*
• Fast-melt delivery – Dissolves quickly under the tongue for rapid sublingual absorption*
• Energy production – Essential for converting food into cellular energy and reducing fatigue*
• Nervous system support – Supports healthy nerve function, myelin formation, and neurological health*
• Brain & cognitive health – Promotes memory, focus, and mental clarity*
• Red blood cell formation – Required for healthy red blood cell production and oxygen transport*
• Homocysteine metabolism – Works with folate to maintain healthy homocysteine levels already within normal range*

Why Choose High-Potency B-12?

Vitamin B12 is essential for energy metabolism, nervous system function, DNA synthesis, and red blood cell formation. This high-potency 5,000 mcg formula is ideal for those with increased B12 needs, including older adults, vegetarians and vegans, individuals with absorption issues, and those experiencing fatigue or cognitive concerns.*

Fast-Melt Sublingual Delivery

These fast-melt tablets are designed to dissolve rapidly under the tongue, allowing B12 to be absorbed directly into the bloodstream through the mucous membranes. This sublingual delivery bypasses the digestive system, making it particularly beneficial for those with digestive issues, reduced stomach acid, or intrinsic factor deficiency that can impair B12 absorption.*

Essential for Multiple Body Systems

Vitamin B12 is crucial for DNA synthesis, red blood cell formation, neurological function, and energy metabolism. It plays a vital role in maintaining the protective myelin sheath around nerves, supporting cognitive function and memory, and working with folate to regulate homocysteine levels for cardiovascular health.*

Who Needs High-Potency B-12?

B12 deficiency is common among older adults (due to reduced stomach acid and intrinsic factor), vegetarians and vegans (B12 is found primarily in animal products), those taking certain medications (including metformin, proton pump inhibitors, and H2 blockers), individuals with digestive disorders (Crohn's, celiac, IBS), and anyone experiencing chronic fatigue or cognitive issues.*

Supports Energy & Reduces Fatigue

B12 is essential for converting carbohydrates, fats, and proteins into ATP—the energy currency your cells use. Adequate B12 levels are crucial for maintaining energy, reducing fatigue, and supporting physical and mental stamina throughout the day.*

Neurological & Cognitive Support

B12 is critical for maintaining the myelin sheath that protects nerve fibers and ensures proper nerve signal transmission. It also supports the production of neurotransmitters involved in mood regulation, memory, and cognitive function. Even mild B12 deficiency can lead to cognitive issues, memory problems, and mood changes.*

Source Naturals Quality

Source Naturals has been a trusted name in nutritional supplements for over 40 years, committed to providing science-based formulations using quality ingredients. Each batch is manufactured to strict quality standards to ensure potency and purity.

Suggested Use

Place one fast-melt tablet under the tongue and allow to dissolve completely, or as directed by your healthcare practitioner. The 5,000 mcg dose is ideal for those with increased B12 needs or deficiency. For maintenance, some individuals may use this high-potency formula less frequently (every other day or a few times per week).

*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.