With magnesium bisglycinate and citrate for good absorbability
At BYE Nutrition, we combine magnesium bisglycinate and magnesium citrate in one formula - both forms are known for their good absorbability. This combination is carefully chosen for athletes and active people who want to supplement magnesium as part of a healthy lifestyle.
Magnesium is an important mineral that contributes to various functions in the body, especially during exercise and recovery.
✅ What does magnesium do?
Contributes to the maintenance of normal bones
Supports normal muscle function
Helps in normal nervous system function
Contributes to normal electrolyte balance
Plays a role in energy metabolism and fatigue reduction
🧠 Why this formula?
Combination of bisglycinate and citrate - both highly absorbable forms
120 herbal capsules per package
Suitable for daily use, even with intensive training or a demanding lifestyle
BYE Vitamin Bundle - All-in-one for active athletes.
Four powerful supplements in one economical package - tailored to the needs of endurance athletes
1️⃣ Multi Sport - 100 capsules Multivitamin with a broad blend of vitamins, minerals and plant extracts such as rose hip, spirulina and Siberian ginseng. Designed for athletes who want to support their energy, immune system and overall vitality.*
2️⃣ Magnesium Bisglycinate & Citrate – 100 capsules Two highly absorbable forms of magnesium to support normal muscle and nerve function, energy metabolism, and the maintenance of strong bones.*
3️⃣Vitamin D3 – 75 mcg (3,000 IU) High-dose vitamin D3 derived from lanolin, enriched with olive oil. Supports the normal functioning of the immune system and muscles, as well as bone health—especially in the fall and winter.*
*Health claims are approved by EFSA when taken in adequate daily amounts. Supplements complement a varied diet and healthy lifestyle.
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€2,50Original price was: €2.50.€2,00Current price is: €2.00.
Rated 5.00 out of 5
Natural energy gel with real fruit flavor and functional ingredients
The BYE! Pro Fruit Gel is a compact and easy-to-use energy gel designed for endurance athletes. With 22 grams of carbohydrates per gel, magnesium citrate and a fresh smoothie-like taste based on real fruit.
Extra discount due to short best-by date
These gels have a best-by date of at least December 8, 2026. That's why you can get them now at an extra discount.
Good to know: A “best before” date does not mean that the product is automatically no longer good after that date. If stored properly, the gels can often still be used after the “best before” date. After this date, always check the packaging, smell, taste, and texture yourself.
✅ Key features:
Available in natural smoothie flavors: Mango, Banana and Blueberry
100% natural flavor
Contains 20% real fruit
Rich in vitamin C
With magnesium citrate - supports energy metabolism and normal muscle function*
22 grams of carbohydrates per gel - suitable for use during exercise
Convenient packaging - easy to tear open, even while exercising
Details
This product has several variations. This option can be chosen on the product page
Powerful energy source with natural smoothie taste
The BYE! 40 Carbs Fruit Gel is designed for athletes engaged in prolonged exercise. With 40 grams of carbohydrates per gel and a fresh smoothie texture, this is an ideal choice for endurance athletes looking for practical nutrition during training and competition.
✅ Why choose the 40 Carbs Fruit Gel?
40 grams of carbohydrates per gel (60 ml) - A combination of glucose and fructose (1:0.8 ratio) matched for efficient carbohydrate absorption.
Fresh smoothie taste - Available in natural flavors: Citrus and Berry.
Popular with athletes because of its structure and ease of ingestion - Widely used during prolonged exercise.
With magnesium citrate - Magnesium contributes to normal muscle function and supports energy metabolism.
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This product has several variations. This option can be chosen on the product page
BYE! Isotonic Sports Drink - Natural hydration during exercise
Refreshing sports drink with carbohydrates and electrolytes for endurance athletes. Designed to replenish fluid and energy during prolonged exercise, with no artificial colors or flavors.
With a 2:1 ratio of glucose:fructose for efficient carbohydrate intake.
Improved recipe - optimized for taste, solubility and drinkability during exercise.
Due to circumstances at the factory, this product is temporarily unavailable.
Compact energy boost with caffeine, B vitamins and carbohydrates
The BYE! Energy Shot is designed for athletes who need a compact shot during or just before intense exercise. The combination of caffeine, carbohydrates, peppermint and a broad spectrum of B vitamins makes this shot ideal for use during long or strenuous sessions.
✅ Key features:
3 ampoules per box
125 mg of caffeine per shot
15 grams of carbohydrates per shot
With peppermint extract for a fresh taste
Contains the complete vitamin B complex: B1, B2, B3, B5, B6, B7, B9 and B12
B vitamins support energy metabolism and help with fatigue
Due to circumstances at the factory, this product is temporarily unavailable.
Support muscle function and fluid balance in one convenient ampule
The BYE! Magnesium Electrolyte Shot is a fresh orange-flavored shot containing six key electrolytes, including 250 mg of highly absorbable magnesium and 1.4 mg of vitamin B6. Designed for athletes who want to replenish their minerals during or after exercise. Convenient on the go and easy to use - without water.
✅ Important features:
6 electrolytes: magnesium, sodium, calcium, potassium, chloride and phosphorus
250 mg of magnesium per ampule
1.4 mg vitamin B6 per ampoule
94 mg of sodium per ampule
Fresh orange flavor
3 ampoules per pack (25 ml each)
Easy to carry and ready to use immediately
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This product has several variations. This option can be chosen on the product page
A completely revamped natural energy bar for endurance athletes. Made with real fruit, oats, and dates, providing about 30 grams of carbohydrates per bar. Thanks to its new, softer texture, the bar is not only designed to help you perform during long workouts, but is also simply delicious to eat.
✓ 50-gram bar ✓ About 30 grams of carbs ✓ Made with real fruit ✓ Soft texture ✓ No artificial flavors, colors, or fragrances
20% off this weekend only
Nutritional advice for athletes
Nutritional advice for other athletes
At BYE Nutrition, we focus on endurance athletes, but that doesn't mean our products are only suitable for runners, cyclists or triathletes. Even if you do boot camp, hit the gym regularly, run hikes or do obstacle runs, our natural sports nutrition products are ideal for your performance.
Our philosophy remains the same: high quality, natural and tasty. You want to perform we help you do so.
Before exercise:
Need energy before your workout or event? Then choose an easily digestible snack with fast and slow carbohydrates.
At BYE Nutrition, we regularly write blogs about training and nutrition to improve your performance. Whether you are looking for tips on training schedules, recovery or the best nutrition for your goals, we are here for you with advice and products specifically tailored to your performance.
At BYE Nutrition, we offer a wide range of sports nutrition products. Our products are designed to keep your energy levels high, enhance your recovery and prevent injuries so you can continue to perform at your best.
Details
This product has several variations. This option can be chosen on the product page
Powerful energy source with natural smoothie taste
The BYE! 40 Carbs Fruit Gel is designed for athletes engaged in prolonged exercise. With 40 grams of carbohydrates per gel and a fresh smoothie texture, this is an ideal choice for endurance athletes looking for practical nutrition during training and competition.
✅ Why choose the 40 Carbs Fruit Gel?
40 grams of carbohydrates per gel (60 ml) - A combination of glucose and fructose (1:0.8 ratio) matched for efficient carbohydrate absorption.
Fresh smoothie taste - Available in natural flavors: Citrus and Berry.
Popular with athletes because of its structure and ease of ingestion - Widely used during prolonged exercise.
With magnesium citrate - Magnesium contributes to normal muscle function and supports energy metabolism.
Sale!
Select options
This product has several variations. This option can be chosen on the product page
Natural energy gel with real fruit flavor and functional ingredients
The BYE! Pro Fruit Gel is a compact and easy-to-use energy gel designed for endurance athletes. With 22 grams of carbohydrates per gel, magnesium citrate and a fresh smoothie-like taste based on real fruit.
Extra discount due to short best-by date
These gels have a best-by date of at least December 8, 2026. That's why you can get them now at an extra discount.
Good to know: A “best before” date does not mean that the product is automatically no longer good after that date. If stored properly, the gels can often still be used after the “best before” date. After this date, always check the packaging, smell, taste, and texture yourself.
You can often still use the gels after this date
✅ Key features:
Available in natural smoothie flavors: Mango, Banana and Blueberry
100% natural flavor
Contains 20% real fruit
Rich in vitamin C
With magnesium citrate - supports energy metabolism and normal muscle function
22 grams of carbohydrates per gel - suitable for use during exercise
Convenient packaging - easy to tear open, even while exercising
Stacking discount: with 3 or more boxes you get 10% extra discount!
Read more about tips, nutrition and training advice
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Endurance Booster: Energy Before and During Running, Cycling, and Triathlons A long endurance run, a challenging bike ride, or a triathlon starts with proper preparation. You plan your route, lay out your clothes, and set your pace. But what about your fuel? Carbohydrates are an important source of energy during intense endurance exercise. By consuming enough in advance…
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Why protein is important for endurance athletes Many endurance athletes focus primarily on carbohydrates. This makes sense, as carbohydrates are the main fuel during running, cycling, triathlon or trail running. Yet one nutrient is still often underestimated: protein. This is because protein plays an important role in recovery, muscle maintenance and building a strong body that can withstand...
What is the difference between the BYE! Isotonic Sports Drink and the Endurance Booster? Are you looking for the right sports drink for your training or competition? If so, you may have seen that BYE! Nutrition offers both an Isotonic Sports Drink and an Endurance Booster. Both products provide energy and electrolytes during exercise, but are designed...