Summer supplementation – what does the body really need in hot weather?

2026-06-09
Summer supplementation – what does the body really need in hot weather?

Many people believe that summer is the time when the body functions best and doesn't need additional support. After all, we have more sunshine, fresh vegetables and fruits, and more time spent outdoors. However, during the summer months, the body is exposed to a number of challenges that can affect well-being, energy levels, skin condition, and immunity.

High temperatures, intense UV radiation, travel, physical activity, and increased water loss through sweat mean that properly selected supplementation can be extremely helpful.


Why does the body have greater needs in summer?

During hot weather, the body works intensively to maintain a healthy body temperature. Through sweat, we lose not only water but also valuable minerals responsible for the proper functioning of muscles, the nervous system, and water and electrolyte balance.

In addition:

  • we travel more often,
  • change our diet,
  • be more physically active,
  • expose our skin to UV radiation.

All of this increases the need for certain nutrients.

Electrolytes – the foundation of hot weather

One of the most important elements of summer supplementation is electrolytes.

When we sweat, we lose primarily:

  • sodium,
  • potassium,
  • magnesium,
  • chloride.

Deficiencies can manifest as:

  • fatigue,
  • weakness,
  • headaches,
  • dizziness,
  • painful muscle cramps.

Electrolyte supplementation can be particularly beneficial for:

  • physically active individuals,
  • people working outdoors,
  • traveling to hot countries,
  • elderly individuals.

However, remember that supplements do not replace adequate hydration. Drinking water regularly throughout the day remains essential.

Vitamin D – is it still worth taking in the summer?

This is one of the most frequently asked questions.

Although vitamin D is synthesized in the skin through exposure to sunlight, modern lifestyles mean that many people still experience vitamin D deficiencies even in the summer.

This is influenced by factors such as:

  • working indoors,
  • avoiding sun exposure,
  • wearing protective clothing,
  • using high sunscreens.

Vitamin D supports:

  • immunity,
  • bone health,
  • proper muscle function,
  • nervous system function.

It's best to base your decision on supplementation on the results of a 25(OH)D test and a consultation with a specialist.

Antioxidants – a natural shield for the skin

Summer is a time of increased oxidative stress. UV radiation leads to the formation of free radicals, which accelerate the skin aging process.

Therefore, antioxidants play a particularly important role.

Vitamin C

Vitamin C:

  • supports collagen production,
  • helps protect cells from oxidative stress,
  • supports the body's natural defense mechanisms.

Vitamin E

Called the vitamin of youth, it helps protect cells from free radicals and supports skin health.

The combination of vitamins C and E is one of the most effective antioxidant supports for the body.

Beta-carotene and lycopene – summer skin support

Beta-carotene and lycopene are also becoming increasingly popular during the summer.

Beta-carotene

This is a natural precursor to vitamin A, which:

  • supports healthy-looking skin,
  • helps prepare the skin for sun exposure,
  • may contribute to a more even tan.

Lycopene

Lycopene is a powerful antioxidant found in tomatoes, among other sources.

Research indicates that it can support the skin's natural protective mechanisms against the negative effects of UV radiation.

It's worth remembering that they don't replace SPF sunscreens, but provide additional support from within.

Probiotics – a summer essential

Travel, climate change, a different diet, and exposure to new microflora can all impact digestive system function.

Therefore, it's worth paying special attention to probiotics in the summer.

They can support:

  • balanced intestinal microflora,
  • digestive comfort,
  • immune system function.

This is especially important during international travel and changes in eating habits during vacation.

Does everyone need supplementation?

Not everyone requires the same supplements.

Requirements depend on:

  • age,
  • lifestyle,
  • level of physical activity,
  • health condition,
  • nutrition.

Therefore, the best solution is an individual approach and consultation with a doctor or pharmacist.


Summary

Summer is a time of increased activity, travel, and sun exposure. It is also a period when the body may need additional support.

It is worth paying special attention to:

✔ electrolytes during hot weather and physical activity,

✔ vitamin D,

✔ vitamins C and E,

✔ beta-carotene and lycopene,

✔ probiotics when traveling.

Properly selected supplementation can support hydration, immunity, skin health and well-being, helping you fully enjoy the joys of summer.

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