How to choose a nutritional supplement that really benefits the body? Guide for a conscious choice

Napisala ekipa Elixiré Aug 5, 2025

Why dietary supplements?

Dietary supplements are designed to supplement the diet when we don't get enough nutrients from food. They help strengthen the immune system, improve well-being, reduce fatigue and support vitality (1). But because the supplement market is so vast, making an informed choice is key to getting real results.

1. Check the quality of the product

Choose supplements with clearly labeled ingredients, without unnecessary additives.
Look for quality certifications (e.g., GMP, ISO) that confirm safety and production standards (2).

2. Consider your needs

Supplements should be tailored to age, lifestyle, and health status (3).
Example: vitamin D is key in the winter months, and omega-3 fatty acids are for cardiovascular health.

3. Consult a doctor

If you have chronic illnesses or are taking medication, it is essential to consult a doctor or pharmacist (4).
Some supplements can affect the action of medications (e.g. vitamin K in anticoagulants).

4. Choose a shape with good absorption

Bioavailability is key – liposomal liquid forms have been shown to allow better absorption than classic tablets (5).
HYDROLYZEDe shapes (e.g. COLLAGEN Naticol®) have clinically proven efficacy (6).

5. Regularity is key

The effects of supplements become apparent with regular use, usually after 8–12 weeks (7).
It is important that the supplement becomes part of your daily routine, not just an occasional choice.

Conclusion – a conscious choice for real effects

A dietary supplement that really benefits the body is one that is high-quality, tailored to your needs, scientifically supported and used regularly. Conscious choice means that we do not simply follow trends, but make decisions based on evidence and our own needs (1–7).

📚 Literature

Dickinson, A., MacKay, D. (2014). Dietary supplements in the US: prevalence, usage, and role in health. Nutrition in Clinical Practice.
Hathcock, J.N. (2010). Regulation of dietary supplements: ensuring safety and quality. Food and Nutrition Bulletin.
Hollick, M.F. (2017). Vitamin D deficiency. New England Journal of Medicine.
Kennedy, D.O. (2016). B vitamins and the brain: mechanisms, dose and efficacy. Nutrients.
Tinsley, G.M. , et al. (2022). Liposomal mineral absorption: A randomized crossover trial. Nutrients.
Naticol®. Clinical studies on hydrolyzed fish collagen peptides. INSERM & CPCAD Nice.
Ko, J., et al. (2023). Pharmacokinetic analyzes of liposomal and non-liposomal multivitamin/mineral formulations. Journal of Clinical Pharmacology.