Dr. med. Harald Pfeffer
Inspired by his rescue as a child, Harald Pfeffer committed himself to medicine. In 1976 he opened his own practice, which he handed over in 2003 to stay true to his vision "health belongs in the world, not within four walls". With Vitabay, that vision became reality. All our products are the result of more than half a century of medical knowledge, research and development. With his own patents, products and formulas he shapes not only Vitabay but the whole supplement sector.
FAQ
What is the dosage per tablet and how many tablets should I take daily?
Each tablet contains 500 mg of OPC. We recommend taking 2 tablets per day with sufficient water to ensure the daily dose.
Is this product vegan and free from additives?
Yes, our OPC Grape Seed Extract is vegan and contains no artificial additives, gluten, or lactose. It was specially developed for people who value a natural and pure supplement.
How long does it take until I notice results?
The effect of food supplements can vary from person to person and depends on many factors, such as diet and lifestyle. For initial results, we recommend taking the product regularly for at least 4-6 weeks.
Can I combine the product with other food supplements?
In general, it is possible to combine our OPC Grape Seed Extract with other food supplements. However, if you are unsure or are taking other supplements with special ingredients, we recommend discussing this with a doctor or nutritionist beforehand.
How is the product packaged and shipped?
The product is packaged securely and environmentally friendly. We offer fast shipping within Germany, and your order will be delivered discreetly and promptly. You can track the delivery at any time using our tracking information.
Can I also take the product if I have a gluten or lactose intolerance?
Yes, our OPC Grape Seed Extract is both gluten-free and lactose-free, making it suitable for people with gluten or lactose intolerance.



