Nutri-Leaf
Vitamin B Complex
1 capsule per dayHPMC vegetable capsule
Subscription available
An active body has an active metabolism — and an active metabolism...
Maintaining mental clarity, concentration, and cognitive function is a priority for many people in our fast-paced world. The brain is one of the most metabolically active organs in the body, consuming about 20% of the body's energy despite representing only 2% of its weight. This high energy demand makes the brain particularly dependent on a steady supply of nutrients, especially the B vitamins that play essential roles in energy metabolism and nervous system function.
Cognitive health is influenced by many factors including sleep quality, stress management, physical activity, social engagement, and nutrition. Targeted supplementation can help provide the nutrients your brain needs to function at its best, particularly during periods of increased mental demand.
Vitamin B12 and B6 contribute to the normal functioning of the nervous system and to normal psychological function. Pantothenic acid (B5) contributes to normal mental performance. Zinc contributes to normal cognitive function and helps protect cells from oxidative stress. Folate and B12 contribute to normal homocysteine metabolism — relevant because elevated homocysteine is associated with cognitive health. All B vitamins contribute to normal energy-yielding metabolism, which supports the brain's high energy requirements, and to the reduction of tiredness and fatigue, which can affect concentration.
Quality sleep is fundamental to cognitive function — the brain consolidates memories and clears metabolic waste during sleep. Regular physical activity increases blood flow to the brain and supports the growth of new neural connections. Stress management through mindfulness, meditation, or other techniques helps maintain mental clarity. A balanced diet with stable blood sugar levels supports consistent energy availability for the brain. Mental stimulation through reading, puzzles, or learning new skills also supports cognitive health.
The Vitamin B Complex provides all eight B vitamins at 100% NRV per capsule, four of them in coenzyme forms — methylcobalamin (B12), pyridoxal-5'-phosphate (B6), riboflavin-5'-phosphate (B2) and (6S)-5-methyltetrahydrofolate (B9). Immune Complex provides zinc, which contributes to normal cognitive function. Vitamin C 1000mg contributes to the reduction of tiredness and fatigue and the normal functioning of the nervous system. Skin Hair & Nails also contains zinc in a complementary formula.
Learn more on our Nutrition for Focus page. Visit the Ingredient Philosophy page to understand our nutrient selection principles.
Food supplements are not a substitute for a balanced and varied diet and a healthy lifestyle.
Cognitive function nutrition
Vitamin B12, B6, folate (B9) and pantothenic acid (B5) contribute to normal psychological function. Niacin (B3) also contributes to normal psychological function. Our Vitamin B Complex delivers all eight B vitamins at 100% NRV per capsule, using active forms where available.
Several B vitamins — including B12 and B5 — contribute to the reduction of tiredness and fatigue, which can support mental clarity and focus as part of a balanced lifestyle. One capsule provides the full daily reference intake for all eight B vitamins.
All Nutri-Leaf supplements are produced by our FSSC 22000 certified manufacturing partner in Germany — a facility whose manufacturer holds FSSC 22000 food safety certification. Traceability from raw material to finished product.
Recommended for cognitive function
Vitamin B Complex · Immune Complex · Vitamin C 1000mg · Skin Hair & Nails
Nutri-Leaf
1 capsule per dayHPMC vegetable capsule
Subscription available
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Active forms of all 8 B vitamins. Plant-based capsules. manufactured in Germany by an FSSC 22000 certified producer. Free shipping from €20 across the EU.
Free EU shipping from €20 · FSSC 22000-certified producer · Made in Germany · Plant-based capsules