⚡ 4000 IU of vitamin D3 in 1 capsule – a high serving of cholecalciferol for daily supplementation
⚡ 200 µg of vitamin K2 MK-7 – menaquinone-7 in a convenient softgel capsule
⚡ Vitamin D contributes to normal muscle function – important support for the daily routine of an active person
⚡ Vitamin D supports the normal function of the immune system – for those who take care of the basics every day
⚡ 1 capsule daily and 90 days of supplementation – a simple ritual of consistency on training and non-training days

Product tested for purity

Why should a fighter pay attention to vitamin D?

Combat sports are not only about hard training, but also hundreds of hours spent in the hall, on the mat, in the gym and in closed training rooms. A fighter often starts the day early, finishes late, trains indoors and follows a rhythm in which natural exposure to sunlight may be limited – especially in autumn, winter and during periods of intensive preparation.

That is why vitamin D is one of the ingredients worth remembering in the daily supplementation of an active person. Vitamin D contributes to normal muscle function, supports the normal function of the immune system and helps maintain healthy bones and teeth.

For a fighter, it is not a temporary addition. It is part of taking daily care of the body’s foundations – just like sleep, diet, hydration, warm-up and recovery. Because in combat sports, what matters is not only what you do in the round, but also how you prepare your body every day outside it.

Light, movement, rhythm and consistency. Your level starts with the basics.

How does D3 + K2 support a fighter’s daily routine?

Hiro.Lab x KSW Vitamin D3 + K2 MK-7 is a formula for people who train intensely, live at a fast pace and want to consciously supplement their diet with vitamin D and vitamin K. One softgel capsule provides 100 µg of vitamin D, which equals 4000 IU, and 200 µg of vitamin K in the MK-7 form.

Vitamin D contributes to normal muscle function. This is especially important for people who regularly work on strength, dynamics, stabilization, movement control and overall physical performance. In MMA, boxing, kickboxing or grappling, muscles work not only during powerful actions, but also during balance, slips, clinch work, footwork and position control.

Vitamin D supports the normal function of the immune system. For a person who trains regularly, this matters in the context of daily care for the body – especially when the plan includes frequent training sessions, working under pressure, changes in daily rhythm, travel, sparring and periods of increased load.

Vitamin D helps maintain healthy bones and teeth and contributes to the normal absorption and use of calcium and phosphorus. For a fighter, strong foundations matter not only in strength training, but also in the everyday functioning of the body during regular physical activity.

Vitamin K helps maintain healthy bones and contributes to normal blood clotting. The product uses the MK-7 form, meaning menaquinone-7. The combination of D3 + K2 in one capsule helps simplify supplementation and include it in the daily routine without measuring, mixing or preparation.

This product is for those who understand that form does not depend on one training session. It is built through repetition – in the morning, in the evening, during the competition season, during preparation periods and when nobody is watching.

Who is it intended for?

Hiro.Lab x KSW Vitamin D3 + K2 MK-7 is a food supplement for active people who do most of their work on form not in the sun, but in training rooms, gyms, combat sports clubs and indoor spaces.

It is suitable for people training MMA, boxing, kickboxing, Brazilian jiu-jitsu, wrestling, strength training, cross training and for everyone who wants to regularly supplement their diet with vitamin D and vitamin K.

It is a good choice for people who train several times a week, prepare for competitions, return to training after a seasonal break or simply want to take care of the basics of everyday body function. Vitamin D supports normal muscle function and the immune system, which is why it fits well into the supplementation of active people.

The product also suits people living at a fast pace – work, training, responsibilities, travel, little time for regular meals and limited exposure to sunlight. One capsule daily makes it easier to maintain consistency, and the pack of 90 capsules is enough for 90 days of supplementation.

Everyone has their own arena. For some it is the cage, for others the mat, the gym, work or the daily fight to maintain their level.

What does regular vitamin D supplementation give a fighter?

Regular vitamin D supplementation helps maintain a steady supply of this ingredient in the diet, especially when exposure to sunlight is limited. This is common among people who train indoors, work inside, travel a lot or perform most activities outside the hours of strongest sunlight.

For a fighter, vitamin D is important mainly because it contributes to normal muscle function. Muscles work in every plane of movement – during punches, kicks, defense, wrestling, ground work, stabilization and body control. This is not a promise of better sports performance, but real support for the normal functioning of the body.

Vitamin D also supports the normal function of the immune system. With an intense lifestyle, frequent training sessions, changes in daily rhythm and the pressure of preparation, a daily supplementation routine can be one of the simple elements of taking care of the body.

Vitamin D also helps maintain healthy bones and teeth and supports the normal absorption and use of calcium and phosphorus. Vitamin K helps maintain healthy bones. That is why D3 + K2 fits well into the supplementation of people who treat form as a process, not a one-time push.

It is not about tomorrow’s effect. It is about the foundations you build every day.