Frequently Asked Questions

If the product is in stock, delivery takes 1-2 days.
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Yes, there is a 20 % discount on your first purchase, and a 15 % loyalty discount on repeat purchases.

Just fill out this form and you will receive a discount code. 🙂 

Registration is only required to apply loyalty discounts. It only takes a minute and is very simple.

I respect my clients' privacy, so I don't send unnecessary promotional emails. Instead, I send a valuable newsletter once a month full of tips, recipes, and useful advice.

No, all products are 100% natural and contain only vegan capsules.

Yes, they help replenish important nutrients that vegans may be lacking.
Yes, they are also suitable for allergy sufferers.
Yes, some of them are even recommended for celiacs.
Yes, for example PROVEOTICS are grown on a pumpkin base and are very gentle. I myself am allergic to casein and histamine and I can use them without any problems.
No, our dietary supplements are not addictive.
Yes, they can contribute to a longer and better quality of life.

You will feel the first improvement after just a few days if you maintain a sufficient drinking regimen.

Yes, these are 100% natural dietary supplements, so they are suitable for long-term use.

Yes, these are over-the-counter natural supplements that can serve as support for taking medications.

No, I will advise you on how to balance everything properly. Sufficient fluid intake is important not only when taking supplements, but also for overall health.

Yes, products can be combined. Each order includes a professional consultation where I will help you make the right choice.
Yes, they help strengthen immunity and resilience in children's groups.
We recommend it from 3 years of age, with the dosage depending on the age and weight of the child.
Yes, they can significantly contribute to improving the quality of life.
Yes, some products are suitable during this period. I will be happy to advise you individually, just get in touch.

Yes, we will adjust the recommendation based on the biochemical blood analysis.

Yes, we recommend appropriate supplements based on a biochemical blood test.

Yes, and we'll be happy to give you some useful advice for free.
Yes, they support performance and regeneration.

Yes, we work with experts in the field.

More than 25 years of experience in the fields of health, weight loss and psychology.
They are 100% natural, the results are visible, and I respect ethical and moral principles. My goal is to help people live a better life, and I will be happy to support you on this journey.
  • Ing. Petra Doubková
  • info@linie4life.com
  • CN: 11332850
  • Unit Q, 35 Astbury Road, London, England, SE15 2NL