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Gamma-aminobutyric acid (GABA) is one of the most important inhibitory neurotransmitters in the human brain. This article summarises the current state of research on GABA – from its discovery and biochemical mechanisms to its presence in foods and guidance on supplementation. The information provided here does not replace medical advice.

Coenzyme Q10 (CoQ10) is a naturally occurring compound found in every cell of the human body. It plays a central role in cellular energy production and acts as a powerful antioxidant. While the body produces CoQ10 on its own, production declines with age, making supplementation relevant for many people. This guide provides an evidence-based overview of CoQ10 — what it is, how it works, who may benefit, dosage guidance, and important safety considerations.

Ashwagandha (Withania somnifera), also known as Indian ginseng, winter cherry or sleepberry, is a medicinal plant from the nightshade family (Solanaceae) with over 3,000 years of use in Ayurvedic medicine. In Ayurveda it is classified as a 'Rasayana' — a rejuvenating tonic said to promote vitality, longevity and stress resilience.

Biotin, also called vitamin B7, is a water-soluble vitamin and part of the vitamin B complex. The B vitamins are required in particular for the function of the metabolism, the nerves, the digestion and for the heart / circulation.

You can measure your vitamin D levels by using a blood test to determine if you have enough vitamin D in your body. In fact, not the active form of vitamin D is measured, but the concentration of 25(OH)D (25-hydroxyvitamin D) in the blood.

Taurine is an amino acid that is found throughout the body. It is particularly concentrated in the brain, eyes, heart and muscles.

L-carnitine, or carnitine, is made from amino acids and is present in almost all cells of the body. Its name is derived from the Latin term 'Carnus' (meaning meat) because the compound was first isolated from meat.

Selenium is a trace element which is naturally present in the earth, it is found in certain foods, but also to a small extent in water.

Different organizations recommend varying doses of vitamin D. For example, in cases where vitamin D formation through sunlight is deficient, the DGE currently recommends a dose of 400 IU for infants up to 1 year of age and 800 IU for children, adolescents, adults, seniors, and pregnant and nursing women.

At VitaminExpress, quality is not just a promise, it is a guarantee. Every product we offer is thoroughly tested for safety, purity, and effectiveness, so you can feel confident about what you are taking. Our mission has always been simple: to create supplements that truly support your health without compromise. That means clean ingredients, smart science, and complete transparency in everything we do.

Starting a supplement routine is a great step toward feeling better and staying healthy. But remembering to take them regularly can be tricky. Don’t worry, you’re not alone. Taking a supplement is simple in theory, but consistency is where the real benefits show up. Whether it’s a vitamin, a mineral, or a wellness blend, the goal is to make supplements a natural part of your day. Here are some simple, beginner-friendly tips to help you stay on track without overthinking it.

At VitaminExpress, we are more than just a supplement shop. We are your partner in health. That is why we carefully select and offer brands that share our values: high-quality ingredients, scientific backing, transparent production, and genuine care for your well-being. Whether you want to boost your immunity, support your digestion, or simply feel more balanced, these trusted brands are here to support you every step of the way.