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Weight Gain

Are you looking to gain muscle mass while working at your own pace and meeting your actual needs? Gaining muscle mass isn’t just about calories—it’s a delicate balance between targeted nutrition, effective recovery, and gradual muscle building. At soin-et-nature, we’ve curated a selection of nutritional supplements tailored to this demanding phase, formulated with high-quality proteins, key amino acids, bioactive peptides, and carefully selected natural extracts. Solutions designed to support athletes focused on performance, joint comfort, and overall well-being.

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Eafit Protein Bar: Nutrition for Athletes Eafit Protein Bar: Nutrition for Athletes
Vanille Chocolate +
€1.85
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Usually ships in 5 to 7 working days
NHCO Aminoscience Creatine RBx B-Alanine & HMB 120 Capsules NHCO Aminoscience Creatine RBx B-Alanine & HMB 120 Capsules
€24.90
Shipped within 24h
NHCO Pondimax Appetite and Nutrition 84 capsules NHCO Pondimax Appetite and Nutrition 84 capsules
€29.90
Shipped within 24h
Nutri&Co Creatine Monohydrate 300 g, 3 Months Nutri&Co Creatine Monohydrate 300 g, 3 Months
€25.90
Shipped within 24h
Granions Minceur & Beauté En-Cas Protéiné + Collagène 375 g Granions Minceur & Beauté En-Cas Protéiné + Collagène 375 g
€34.90
Shipped within 24h
STC Tribulus Synergy+ 90 capsules STC Tribulus Synergy+ 90 capsules
€21.49
Shipped within 24h
Arkocaps Fenugrec Équilibre Glucidique Manque Appetit Bio 40 capsules Arkocaps Fenugrec Équilibre Glucidique Manque Appetit Bio 40 capsules
€6.99
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Nutri&Co BCAA 4.1.1 225 g Nutri&Co BCAA 4.1.1 225 g
Red fruits Pêche
€29.90
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Shipped within 24h
Eafit Pure Creatine Energy Booster 90 capsules Eafit Pure Creatine Energy Booster 90 capsules
€19.90
Shipped within 24h
Weleda Peptipower Masse Musculaire 60 capsules -€2.00 Weleda Peptipower Masse Musculaire 60 capsules
€12.49 €14.49
Shipped within 24h
Eafit Whey Gainer 750 g Eafit Whey Gainer 750 g
Vanilla Chocolate
€29.90
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Usually ships in 5 to 7 working days
Insunea Aminéa Pure Casein, 300 g Jar, PiLeJe Insunea Aminéa Pure Casein, 300 g Jar, PiLeJe
€16.24
Shipped in 7 to 10 working days
Eric Favre Whey Optimax Muscle Definition 500 g Eric Favre Whey Optimax Muscle Definition 500 g
Chocolate Vanilla +
€25.25
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Shipped in 5 to 7 working days
Eafit Gainer Max Muscle Building Eafit Gainer Max Muscle Building
1.1 Kg Intense Vanilla +
€26.90
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Usually ships in 5 to 7 working days
Eafit Milk and Egg Micellar Water Eafit Milk and Egg Micellar Water
750 g Caramel +
€39.90
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Not in stock
Eafit Pure Whey Eafit Pure Whey
750 g Intense Vanilla +
€33.49
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Usually ships in 5 to 7 working days
Eric Favre Tri-Source Vegan Protein Eric Favre Tri-Source Vegan Protein
Hazelnut chocolate 1,5 kg +
€66.99
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Shipped in 10 to 15 working days
Our brands Weight Gain

Is it really possible to build muscle without gaining body fat?

Muscle building is a precise process that involves gaining muscle mass without actually gaining body weight: it’s about qualitative muscle development, where you don’t gain body fat. Therefore, it’s important to adjust your diet, training, and dietary supplements to achieve this muscle-building goal.

A muscle-building phase, or volume-building phase, differs from weight gain, even if the results may seem similar. When aiming to increase muscle volume, you take the necessary precautions to optimize muscle development without changing your body weight. The goal is to gain muscle mass without gaining fat. 

The process takes longer, but yes, it is entirely possible to build muscle without overeating or taking weight gainers. Muscle-building should be viewed as a long-term commitment, and it is undoubtedly the fitness program that promises the greatest longevity and the highest-quality results. Why? Because the diet is balanced, varied, and high in protein, yet controlled in terms of calorie intake. Also because building muscle leads to an athletic, lean physique all year round.

As a specialist in sports nutrition with over 20 years of experience in dietary supplements and nutritional products, EAFIT is the all-encompassing brand that meets all the needs of both amateur and professional athletes.

The way we nourish our bodies determines our full physical potential. Nutrition is a way to ensure a balanced intake of nutrients for optimal metabolism: weight management, physical energy, and more. When diet alone is no longer sufficient to replenish reserves, or when your goal is to go beyond the body’s physiological needs, supplementation through dietary supplements is the solution.

When it comes to building muscle mass, both professional and amateur athletes must exercise diligence and care. It’s important to choose the right products to achieve the desired results. That’s why buying natural products from an online health and beauty store can be a beneficial solution.

Natural products from online health and beauty stores are often healthier and more environmentally friendly than chemical and artificial products. They contain natural ingredients such as herbs, minerals, and plant-based proteins that help improve performance and muscle growth. In addition, natural products are generally easier to digest and do not cause unwanted side effects.

Which dietary supplements should you choose for effective and sustainable muscle gain?

Mass gain is a crucial phase in building a large, powerful physique. It’s often the only way to make progress in strength and is therefore relevant not only to bodybuilders but also to athletes who rely on muscular strength—such as those in sprinting, wrestling, soccer, rugby, tennis, endurance races, and ultra-marathons.

Certain nutritional supplements help optimize and accelerate muscle growth while naturally limiting fat gain. Mass gain involves various metabolic processes and bodily functions: hormonal metabolism, which regulates muscle growth; the circulatory system, which supplies the muscles with building blocks and energy; energy production by cells; and the storage of fat reserves. Above all, the body must have all the nutrients it needs to function properly and carry out all these processes. However, these processes can also be stimulated or guided using plants and other natural substances, tailored to each individual’s goals and body type. Performance-boosting nutritional supplements are particularly useful for ectomorphs, who generally struggle to gain muscle mass, or for endomorphs, to limit fat storage.

Shopping at an online health store is also convenient and cost-effective. Products are available online at any time, without having to visit a physical store. Additionally, prices are often more affordable online because distribution and marketing costs are lower.

How do you gain weight?

Weight gain should therefore focus on increasing lean body mass while maintaining the same level of body fat. The skinfold method is validated for assessing body fat percentage (%BF) in athletes, particularly in weight-class sports, and for the longitudinal monitoring of athletes.

Care must be taken to ensure these dietary changes are well tolerated to avoid certain adverse effects seen in many poorly educated or misinformed athletes. Diet alone is not enough; it must be combined with specific training geared toward this goal.

Building muscle mass requires increasing intake of protein as well as energy, water, and trace minerals. Generally speaking, training appears to optimize the utilization of dietary protein and promote muscle protein synthesis during recovery.

In addition, online health and beauty stores often offer a wide variety of products for building muscle mass, allowing athletes to choose the one that best suits their individual needs. Products can also be easily compared in terms of composition and effectiveness, which makes decision-making easier for buyers.

Buying natural muscle-building products from an online health and beauty store can be a wise choice for both professional and amateur athletes. Natural products are healthy, convenient, and cost-effective, and allow athletes to choose the products that best suit their needs. So, for successful muscle-building, don’t hesitate to choose natural products from an online health and beauty store!

What sports products can you find on the Soin-et-Nature website?

Soin-et-Nature offers a wide selection of products to support athletes in their performance, recovery, and muscle health. Here are the available categories:

These products, available on Soin-et-Nature, offer a comprehensive range to meet the needs of athletes, whether for preparation, performance, recovery, or overall well-being.