Natural Food Sources of Mass Gainers

Natural Food Sources of Mass Gainers

Mass gainers — supplements rich in carbohydrates and protein — get a lot of attention in gyms. But before reaching for a powder, it helps to understand which everyday foods deliver the same macronutrients, how well the body absorbs them, and when whole foods genuinely fall short of your calorie targets.

Top Food Sources for Mass Gain

The cornerstone of any mass-gaining diet is a reliable supply of protein and energy-dense carbohydrates. The following foods appear consistently in evidence-based recommendations:

• Whole eggs — provide complete protein with all essential amino acids and healthy fats for caloric density.
• Chicken breast and thighs — lean protein source; thighs add extra calories from fat.
• Oats and whole grains — complex carbohydrates that release energy gradually and support glycogen replenishment after training.
• Brown rice and pasta — staple carbohydrate sources in bodybuilding diets worldwide.
• Full-fat dairy (milk, yoghurt, cottage cheese) — supply both fast-digesting whey and slower casein fractions alongside calcium.
• Legumes (lentils, chickpeas) — plant-based protein combined with carbohydrates; good for omnivores seeking variety.
• Nuts, nut butters, and avocado — calorie-dense fats that increase total daily intake without large meal volumes.
• Fatty fish (salmon, mackerel) — protein plus omega-3 fatty acids that may support muscle protein synthesis.

A diet built around these foods already provides the protein, carbohydrate, and fat ratios that underpin muscle growth.

Bioavailability: Food vs Supplement

Protein quality is often measured by the Digestible Indispensable Amino Acid Score (DIAAS). Eggs and dairy consistently score near or above 1.0, meaning the body can utilise nearly all of the protein consumed. Whey protein isolate achieves a similar high score. Plant sources such as rice or peas typically score lower, though combining sources (e.g., rice + pea protein) closes much of that gap (Mathai et al., 2017).

For carbohydrates, whole-food sources like oats come packaged with fibre, vitamins, and phytonutrients that supplements lack. However, the rapid digestion of maltodextrin-heavy gainer powders can be advantageous immediately post-workout when glycogen replenishment is a priority.

Daily Targets from Diet

For muscle hypertrophy, the current evidence suggests a protein intake around 1.6 g per kg of body weight per day as an effective target, with higher intakes offering diminishing returns (Morton et al., 2018). For caloric surplus, an additional intake of roughly 250–500 kcal above maintenance is frequently cited to support lean mass gain while minimising excess fat.

For a 75 kg athlete targeting 1.6 g/kg protein, that equals roughly 120 g of protein daily — achievable through whole foods alone for most people:

Cooking and Storage Effects

Heat generally does not destroy protein but can affect digestibility. Cooking increases the bioavailability of eggs dramatically — one study found cooked egg protein was digested at a rate of roughly 91% versus about 51% for raw eggs (Evenepoel et al., 1998). Prolonged high-heat processing (as in some shelf-stable products) may cause Maillard reactions that slightly reduce lysine availability, but this is minimal in normal home cooking.

For oats, rolled or instant varieties offer similar caloric and macronutrient profiles to steel-cut oats with the advantage of faster preparation — relevant when post-training nutrition timing matters.

When Food Is Not Enough

Some athletes — particularly hard gainers, those in intensive multi-session training blocks, or anyone with a very high caloric requirement — find it difficult to eat enough whole food to reach a meaningful caloric surplus. This is where products like Optimum Nutrition Serious Mass 2.73kg Vanill, ICONFIT Mass Gainer 1.5kg Vanill, and MST Mass Gainer Šokolaad 3kg offer practical support. They condense several hundred calories of carbohydrates and protein into a convenient drink that does not require cooking or significant stomach volume.

Mutant Mass 2.27kg Maasikas-banaan is another option that combines multiple protein sources with a dense carbohydrate blend, which suits those in bulking phases who struggle to hit daily totals from food alone.

Exploreyour options at maxfit.ee/et/category/massilisajad or check full mass-gain bundles at /et/category/massi-kasvatamise-komplekt.

FAQ

Can I build muscle with food alone without supplements?

Yes. Whole foods can supply every nutrient needed for muscle growth, provided total protein and calorie targets are met. Supplements are convenient but not mandatory for most people.

Are mass gainer supplements better than eating whole foods?

Neither is universally superior. Whole foods provide fibre, micronutrients, and satiety cues. Gainers are faster to prepare and useful when appetite limits total food intake. Many athletes use both strategically.

How much protein do I actually need for mass gain?

Current evidence supports around 1.6 g of protein per kilogram of body weight per day as an effective target for most resistance-training adults (Morton et al., 2018). Eating more than that shows diminishing returns in most studies.

References

Mathai, J. K., Liu, Y., & Stein, H. H. (2017). Values for digestible indispensable amino acid scores (DIAAS) for some dairy and plant proteins may better describe protein quality than values calculated using the concept for protein digestibility-corrected amino acid scores (PDCAAS). British Journal of Nutrition, 117(4), 490–499. https://pubmed.ncbi.nlm.nih.gov/28382889/

Morton, R. W., Murphy, K. T., McKellar, S. R., Schoenfeld, B. J., Henselmans, M., Helms, E., ... & Phillips, S. M. (2018). A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. British Journal of Sports Medicine, 52(6), 376–384. https://pubmed.ncbi.nlm.nih.gov/28698222/

Evenepoel, P., Geypens, B., Luypaerts, A., Hiele, M., Ghoos, Y., & Rutgeerts, P. (1998). Digestibility of cooked and raw egg protein in humans as assessed by stable isotope techniques. Journal of Nutrition, 128(10), 1716–1722. https://pubmed.ncbi.nlm.nih.gov/9772141/