Nutri-Leaf
Vitamin B Complex
1 capsule per dayHPMC vegetable capsule
Subscription available
An active body has an active metabolism — and an active metabolism...
Energy is more than just a feeling — it is the result of complex biochemical processes that convert the food you eat into usable energy (ATP) that powers every cell in your body. The B vitamins are at the heart of this process, acting as essential cofactors for the enzymes that extract energy from carbohydrates, fats, and proteins. When B vitamin levels are adequate, your body can efficiently produce the energy it needs. When they fall short, energy metabolism can be compromised, leading to feelings of tiredness and fatigue.
Vitality encompasses not just physical energy but also mental alertness, motivation, and overall well-being. It is influenced by sleep quality, physical activity, stress levels, and nutrition. Addressing nutritional gaps is a practical step toward supporting sustained energy throughout the day.
Thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), vitamin B6, and biotin all contribute to normal energy-yielding metabolism. Together with vitamin B12 and folate, they support the reduction of tiredness and fatigue. Vitamin C contributes to normal energy-yielding metabolism and the reduction of tiredness and fatigue. Zinc contributes to normal metabolism of fatty acids and normal carbohydrate metabolism. The combination means that a comprehensive B complex plus vitamin C covers the key micronutrients involved in energy production.
Regular physical activity paradoxically increases energy levels over time by improving cardiovascular efficiency and mitochondrial function. Adequate sleep (7-9 hours) is essential for cellular repair and energy restoration. Stress management reduces the energy-depleting effects of chronic stress. A balanced diet with regular meals helps maintain stable blood sugar and consistent energy availability throughout the day. Hydration is also critical — even mild dehydration can cause fatigue.
The Vitamin B Complex provides all eight B vitamins at 100% NRV, with B2, B6, B9 and B12 in coenzyme forms, supporting energy-yielding metabolism and the reduction of tiredness and fatigue. Vitamin C 1000mg contributes to normal energy-yielding metabolism and reduces tiredness and fatigue while supporting the immune system and protecting cells from oxidative stress. Skin Hair & Nails contains biotin and zinc, which also contribute to normal energy-yielding metabolism. Immune Complex includes zinc and selenium for comprehensive metabolic and antioxidant support.
Explore our Exercise Nutrition guide for more on how B vitamins support active lifestyles. Visit the Ingredient Philosophy page for more on our active-form approach.
Food supplements are not a substitute for a balanced and varied diet and a healthy lifestyle.
Energy metabolism nutrition
Our Vitamin B Complex delivers thiamin (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin (B7), folate (B9), and cobalamin (B12) — each contributing to normal energy-yielding metabolism. Active forms include methylcobalamin (B12), pyridoxal-5-phosphate (B6), and calcium L-methylfolate (B9).
Riboflavin (B2), niacin (B3), pantothenic acid (B5), vitamin B6, folate (B9), and vitamin B12 all contribute to the reduction of tiredness and fatigue — a recognised EFSA health claim. One capsule of Vitamin B Complex provides 100% NRV of 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. Every batch is traceable from raw material to finished product.
Recommended for energy and vitality
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