Scientifically based formulations
Each of our products follows a clear logic - effectiveness before hype.
Carefully selected ingredients
Nothing you don't need. Everything that works.
Developed in Germany
Under the strictest regulatory requirements and complete process control.
Independently lab-tested
Quality knows no compromises. That is why our products are independently verified.
Everything your body needs. Nothing you don't need.
Our essential collection
Four essentials that complement each other perfectly and work together. Developed for everyday use, designed for long-term results. A system that works – every day.
daily foundation
For your routine
with all our essentials
based on needs
Highly bioactive forms
For your routine
Easy to swallow
with all our essentials
based on needs
100% plant-based
For your routine
with all our essentials
Wissen aus unserem Journal
Magnesium: Effects, Requirements & Forms – The Ultimate Guide
Stress, poor sleep, muscle cramps, or recovery after intense training—magnesium is often quickly brought into play. But what is really true? In this Fifty Five Guide, we show you what role magnesium plays in the body, how to realistically assess your needs, and which form of magnesium may be useful.
Recognizing magnesium deficiency: symptoms, causes, and what really helps
Muscle cramps, restlessness, or sleep problems. Magnesium deficiency can manifest itself through a variety of symptoms, but it is less clear-cut than it sounds. Here you can find out what happens in the body, how blood values and risks can be realistically assessed, and when diet, lifestyle, or magnesium supplements can be beneficial.
Magnesium forms compared: Which one is best for you?
Are you wondering which magnesium is right for you? Here you can find out how citrate, bisglycinate, oxide, and other forms differ, what you should look out for in terms of tolerability, and how you can choose the right form of magnesium for your everyday life in just a few steps.
About Fifty Five
Fifty Five develops clear, scientifically based dietary supplements for everyday use. Consciously formulated, sensibly combined, and coordinated.
For people who take responsibility for their health.