Quick answer

For summer fitness, two things matter: amino acids as building blocks of protein, which maintains muscle mass, and electrolytes for hot training days. Magnesium, potassium and calcium contribute to normal muscle function, and magnesium additionally contributes to the reduction of tiredness – a well-rounded duo for active summer days and intense sessions.

Summer is getting closer, and with it the wish to feel completely comfortable at the beach and the outdoor pool. For many people, preparing for the warm season means more exercise, mindful eating and a more active training programme. It's exactly in this phase that the need for certain nutrients rises – above all building blocks for the muscles and minerals that are lost through sweating. Anyone who keeps an eye on both gets through the hot weeks feeling more relaxed and capable.

For the goal of summer fitness, we've put together a compact set of two products that fit perfectly with an active summer: an amino acid complex for the muscle building blocks and an electrolyte complex for the mineral balance on hot training days. Two targeted products that cover exactly the topics that matter most when preparing for summer.

Why This Combination for Summer Fitness

Anyone preparing their beach body usually trains more – and sweats noticeably more in summer temperatures than usual. This results in two focus areas that this set specifically addresses.

First, the muscles: amino acids are the basic building blocks of protein, and protein contributes to the maintenance of muscle mass as well as to a growth in muscle mass. Especially during a defined, calorie-conscious phase, you want to preserve the muscle you've worked hard to build, even as calories become scarcer. This is where the essential amino acids provide exactly the building blocks the body cannot produce on its own. Especially when calorie intake decreases while training volume stays the same or even increases, a reliable amino acid supply becomes more important, because fewer building materials come in automatically through food.

Second, the mineral balance: when you sweat, the body loses valuable electrolytes that are needed for muscle work and circulation. This is where the minerals contained provide clear functions – magnesium contributes to normal muscle function and to the reduction of tiredness and fatigue, potassium contributes to normal muscle function and calcium contributes to normal muscle function. Together, these two products form a well-matched duo for an active, sweat-inducing summer. We deliberately chose exactly these two products instead of overloading the set with further building blocks: preserving muscle and mineral balance are the two topics most directly connected to an active summer phase with more training and more sweating.

The Products in the Set

Amino Acid Complex with 4 Co-Factors

The complex with all essential amino acids and 4 co-factors supplies you with exactly the building blocks the body cannot produce on its own. As the basic building blocks of protein, amino acids play a central role when it comes to preserving muscle mass – especially during an active phase with lots of training and mindful eating. The complex covers all essential amino acids and is rounded off with four co-factors. This makes it a practical training companion for anyone working on their shape in summer. Instead of a classic protein shake with extra calories, the complex delivers the amino acids in concentrated capsule form – practical for on the go, the gym or the beach, without a shaker and without the extra energy intake that can be unwanted during a calorie-conscious phase.

Electrolyte Complex with Magnesium, Potassium, Calcium & Sodium

The electrolyte complex with magnesium, potassium, calcium and sodium is the ideal companion for hot days and intense sessions. No fewer than three of the minerals it contains contribute to normal muscle function: magnesium, potassium and calcium. In addition, magnesium contributes to the reduction of tiredness and fatigue – a plus when the heat weighs on your energy. This way you replace what's lost through sweating and stay capable even on warm days. The sodium it contains rounds out the profile of a classic electrolyte drink. The combination of four minerals rather than just one is a deliberate choice: when sweating, the body loses not only magnesium but also potassium, calcium and sodium at the same time – a complex that covers all four together reflects this pattern of loss more realistically than a single mineral product.

How to Combine Them

Many people use the amino acid complex around their training – before or after the session – to provide the muscle building blocks promptly. It fits well into your existing summer routine, whether you train in the early morning or the cooler evening. Pay attention to the dosage stated on the packaging and make taking it a fixed part of your training routine.

You use the electrolyte complex specifically when you sweat a lot: after training, on particularly hot days or during longer activities in the sun. This way you replenish your mineral stores before tiredness or heavy legs set in. A practical tip for summer: drink enough water throughout the day anyway and combine your fluid intake with the electrolytes, so muscles and circulation stay well supplied. Together, both products make up a well-rounded programme for active summer days. If you combine both products, you can go by a simple rule of thumb: amino acids frame the training in time, electrolytes accompany the heat – regardless of whether these two moments coincide on the same day or not.

Training and Nutrition Hand in Hand

The best preparation for beach season comes from the interplay of training and nutrition – supplements add to that. Anyone who wants to build a visible shape does best to combine strength training with some endurance work. Strength training challenges the muscles and helps preserve them during a calorie-conscious phase; this is where the amino acids come in, as building blocks of protein, which contributes to the maintenance of muscle mass. Endurance activity such as running, cycling or swimming rounds out the programme and fits perfectly into the warm season.

On the plate, one thing matters most: a balanced, protein-conscious diet with plenty of vegetables that fills you up without overloading you. Focus on unprocessed foods, enough protein at every meal and a mindful portion size. A moderate calorie deficit that you can sustain long-term is more sustainable than any short-term crash diet – and ultimately also protects against the dreaded yo-yo effect after summer. Anyone who also makes sure to get enough fiber from vegetables, whole grains and legumes benefits from better satiety – especially during a phase when total calories are deliberately reduced and every meal counts.

Timing Fluids and Electrolytes Correctly in Summer

On hot days, fluid intake becomes the decisive factor. Anyone training in summer temperatures loses not just water through sweat but also minerals like magnesium, potassium, calcium and sodium. The electrolyte complex provides exactly these – and magnesium, potassium as well as calcium contribute to normal muscle function. Sensible timing helps: drink enough before training, keep water on hand during longer sessions, and replenish your stores in a targeted way afterwards.

A simple indicator of good hydration is the colour of your urine – light is a good sign. On especially hot days, also watch for early signs of exhaustion and allow yourself breaks in the shade. Balance matters here: drinking only large amounts of plain water during very long, sweat-heavy sessions without replacing the lost minerals can throw the electrolyte balance further off – one reason why, during endurance exercise in the heat, combining fluids with electrolytes makes more sense than water alone. This keeps your circulation stable and your muscles capable. Combined with the amino acids for muscle maintenance, this adds up to a well-rounded summer programme that gets you through the warm season feeling relaxed and strong.

And one more tip: electrolytes aren't purely a sports topic. Even on a hot beach day with no training at all, the body can lose a lot of minerals through sweating – a good moment to consciously replenish your stores.

Who It's For & Fundamentals First

The set is suitable for anyone preparing for the warm season and wanting to stay active in summer – from recreational athletes to ambitious trainers. But the best beach body doesn't come from supplements alone; it comes from the foundation: regular training with both strength and endurance components, a balanced, protein-conscious diet with plenty of vegetables, and good hydration. Rely on sustainable habits instead of short-term crash programmes – that way you stay fit and satisfied in the long run and avoid the dreaded yo-yo effect.

Hydration is especially crucial in summer: drink enough water throughout the day, particularly before and after exercise, and listen to your body's signals. The products in this set are intended as a complement to an active, healthy lifestyle and a varied diet, not as a replacement. Anyone who sensibly combines training, nutrition and targeted supplementation creates the best conditions for a high-performing summer. Stay realistic and patient about it: good shape develops over weeks of continuous work, not overnight. Plan your training and meals so they fit into your everyday life for the long term, rather than relying on short-term extreme solutions. That way you not only arrive well prepared at the beach but also keep your shape beyond the summer. With targeted support from amino acids and electrolytes, you have two reliable companions at your side for active, hot days.

Frequently Asked Questions (FAQ)

What do I need electrolytes for in summer?

When you sweat, the body loses minerals. The electrolyte complex provides magnesium, potassium and calcium, which contribute to normal muscle function, as well as magnesium, which contributes to the reduction of tiredness and fatigue.

What does the amino acid complex do during a cutting phase?

Amino acids are the building blocks of protein, and protein contributes to the maintenance of muscle mass. During a calorie-conscious phase, this helps preserve the muscle you've worked hard to build.

When is the best time to take the products?

Many people use the amino acid complex around their training, and the electrolyte complex specifically after sweating or on hot days. Stick to the dosage stated on the packaging in each case.

Do electrolytes replace drinking water?

No. Drink enough water in summer regardless, and combine your fluid intake with the electrolytes so that your muscles and circulation stay well supplied.

Are two products enough for summer preparation?

The set covers two core points: muscle building blocks and mineral balance. The foundation remains regular training, a balanced diet and enough fluids. If you have health questions, talk to your doctor.

Is the amino acid complex only suitable for a cutting phase?

No. Even outside a calorie-conscious summer phase, a complete amino acid profile is a sensible addition to a protein-conscious diet, for example during a muscle-building phase or simply as a daily routine for active people. In beach body preparation, the focus is simply placed especially on preserving muscle while calories are reduced.

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Health notice: This guide is for general information purposes only and does not replace individual medical or pharmaceutical advice. Food supplements are not a substitute for a balanced, varied diet and a healthy lifestyle. If you have health concerns, are pregnant or breastfeeding, or are taking medication, please consult a doctor or pharmacist. How our guides are created →

Sources

  1. EU Register of Authorised Health Claims — Magnesium, Kalium und Calcium tragen zur normalen Muskelfunktion bei; Eiweiß zur Erhaltung von Muskelmasse, 2024
  2. German Nutrition Society — Referenzwerte für Magnesium, Kalium, Calcium und Flüssigkeitszufuhr, 2024
  3. European Food Safety Authority (EFSA) — Wissenschaftliche Bewertungen zu Elektrolyten und Protein, 2023