Men, Muscle & Metabolism: Build Strength, Improve Body Composition & Age Well
Men, Muscle & Metabolism: How to Build Strength, Improve Body Composition & Support Healthy Ageing
A practical Broth & Co guide to strength, protein, body composition, abdominal fat, recovery, energy and food-first routines for men.
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Key takeaways For men, muscle matters for far more than appearance. Skeletal muscle supports strength, movement, glucose uptake, metabolic health, mobility and healthy ageing. A practical routine combines resistance training, adequate protein, regular walking, fibre-rich whole foods, hydration, sleep and recovery. Bone broth, collagen and functional protein foods can fit within this routine, but the foundation is still a varied diet and consistent movement. |
Why Muscle Matters for Men
Many men think about muscle in terms of appearance, gym performance or weight on the scale. Those things may matter personally, but they are only part of the story.
Skeletal muscle is active tissue. It helps you move, lift, climb stairs, carry shopping, train, work, recover and stay physically capable as life gets busier and the body changes with age.
Muscle also has a close relationship with metabolic health. It is a major site for glucose uptake and glycogen storage, and it responds to both food and movement. That is why muscle is relevant to energy, insulin sensitivity, body composition and long-term wellbeing.
A stronger goal is not simply to be lighter or bigger. It is to build a body that is strong, metabolically supported and capable throughout adulthood.
For the wider picture, Muscle, Metabolism & Lifelong Health: Why Muscle Matters at Every Age explains why muscle matters beyond the gym.
Body Composition Matters More Than Scale Weight Alone
Two men can weigh the same amount and have very different health and fitness profiles. One may carry more muscle, have a smaller waist and move easily. Another may have less muscle, higher abdominal fat and lower fitness.
The scale can be useful, but it does not show the difference between fat mass, lean mass, muscle, bone, water or where fat is stored. This is why body composition often tells a more useful story than weight alone.
A man can lose weight while also losing meaningful lean tissue. Another may see little change on the scale while becoming stronger, reducing waist circumference and improving fitness. Those are very different outcomes.
For more on this distinction, read Body Composition Explained: Muscle, Fat, Metabolism & Why the Scale Does Not Tell the Whole Story.
Why Abdominal Fat Deserves Attention
Many men notice their waist changing through adulthood, especially when work becomes more sedentary, sport drops away, sleep becomes lighter or alcohol intake creeps up.
Fat distribution matters. Visceral fat sits deeper in the abdomen around internal organs and is metabolically different from fat stored under the skin. Higher visceral fat is associated with poorer cardiometabolic health, which is why waist circumference can be a useful measure alongside weight.
There is no single belly-fat food, supplement or exercise. A more realistic approach looks at the pattern: muscle, diet quality, energy intake, physical activity, sleep, alcohol, stress and overall metabolic health.
Visceral Fat, Muscle & Metabolic Health: Why Where You Store Fat Matters explains why fat location matters.
What Changes Across Adulthood?
The body does not change overnight. For many men, it is a gradual shift: fewer active weekends, more desk time, more stress, less sleep, fewer structured meals and less resistance exercise.
Over time, muscle receives less stimulus. Energy expenditure may fall. Waist circumference may increase. Fitness can decline. This is often described as a slow metabolism, but the reality is usually more layered.
Hormones are part of male physiology, and testosterone can influence muscle, bone, red blood cell production and sexual function. But not every change in weight, strength or energy is explained by testosterone alone. Sleep, activity, alcohol intake, stress, diet quality, medication, health status and age all matter.
Men who are worried about symptoms such as persistent fatigue, changes in libido, mood, strength or unexplained body-composition changes should speak with a qualified healthcare professional.
For a broader male nutrition overview, see Men's Nutrition Throughout Life | Strength, Energy & Everyday Wellbeing.
Protein: The Daily Foundation
Protein contributes to the growth and maintenance of muscle mass, tissue repair, recovery, satiety and overall nutritional adequacy. Men who train, have physically demanding jobs, are losing weight or are getting older may need to pay closer attention to protein quality, timing and distribution.
The goal is not obsessive tracking. A useful question is simple: does each main meal contain a meaningful protein source?
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Meal |
Protein-rich examples |
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Breakfast |
Eggs, Greek yoghurt, cottage cheese, tofu scramble, salmon, leftovers or a balanced smoothie. |
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Lunch |
Chicken, fish, lean meat, legumes, tofu, tempeh, eggs or a protein-rich soup. |
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Dinner |
Fish, meat, poultry, soy foods, eggs, legumes or dairy with vegetables and fibre-rich carbohydrates. |
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Snacks |
Yoghurt, boiled eggs, nuts and seeds, cottage cheese, fruit with yoghurt or a protein-containing broth. |
Helpful next reads include Protein Throughout Life: Why Your Protein Needs Change With Age, Protein Quality vs Quantity: Why Both Matter for Health & Healthy Ageing and High-Protein Foods: The Foundation of Muscle, Healthy Ageing & Recovery Nutrition.
Complete Protein, Collagen and Bone Broth
Complete protein foods provide all essential amino acids in useful proportions. Eggs, dairy foods, fish, meat, poultry and soy foods are familiar examples. These foods are especially important when muscle maintenance, recovery and training adaptation are priorities.
Collagen-derived proteins have a different amino acid profile. They are naturally rich in glycine, proline and hydroxyproline, which are associated with collagen-rich tissues such as skin, tendons, ligaments and cartilage. They can complement a food-first routine, particularly for active lifestyles and connective tissue support.
Bone broth is a whole-food option that can contribute protein, fluid, flavour and collagen-associated amino acids within meals. It works best as part of soups, stews, sauces, rice dishes, noodle bowls and savoury drinks rather than as a replacement for varied meals.
For the differences between these foods, read Bone Broth vs Collagen vs Protein. For amino acid context, see Amino Acids The Building Blocks, The Amino Acids in Bone Broth: What They Are and Why They Matter and Collagen Amino Acids Explained: Glycine, Proline & Hydroxyproline.
Broth & Co options can sit within this practical routine. Broth & Co Bone Broth can be used in everyday cooking, while Bone Broth, Collagen & Functional Nutrition gives a broader product overview. Collagen Peptides: Benefits for Skin, Joints, Recovery, Gut Health & Healthy Ageing explains where collagen peptides fit.
Resistance Training Provides the Signal
Protein provides building blocks. Resistance training provides a signal. The body adapts to what it is asked to do, so muscle needs regular, appropriate challenge.
That challenge does not have to begin in a gym. Resistance can come from bodyweight exercises, free weights, machines, resistance bands, loaded carries, hill walking, stairs and structured strength sessions.
The key is progression. Over time, exercises may need more repetitions, more resistance, improved technique, greater range of motion or a more challenging variation. A repeatable plan usually beats a random collection of very hard workouts.
Why Protein and Resistance Training Work Better Together explains how training and nutrition reinforce each other.
Cardio, Walking and Everyday Movement Still Matter
Some men focus so heavily on muscle that walking and cardiovascular fitness drop away. Others rely only on cardio and never give muscle a strong enough stimulus. Both patterns miss part of the picture.
A practical week often includes resistance training, walking, some aerobic activity, mobility work and ordinary movement such as standing, household tasks and active transport. Different forms of movement offer different benefits.
Walking is especially useful because it is repeatable, accessible and easy to build into ordinary life. It may not provide the strongest muscle-building signal, but it supports daily activity, fitness and energy expenditure.
Gut, Mitochondria and Metabolic Health
The gut, muscles and mitochondria are not separate stories. Fibre-rich foods, protein, movement and food quality all help shape the environment in which the body produces energy and adapts to training.
Muscle tissue requires energy for contraction, recovery and adaptation. Mitochondria help convert fuel into usable cellular energy, which is one reason movement, muscle and metabolic health are closely connected.
For deeper context, read The Gut-Muscle Axis, The Muscle–Mitochondria Connection: How Muscle Supports Energy, Metabolism & Healthy Ageing and Mitochondrial Health: The Missing Link Between Energy, Ageing, Metabolism & Recovery.
For blood sugar and fuel-use context, see Metabolic Health & Flexibility: Blood Sugar, Energy, Protein & Whole-Food Nutrition.
Sleep, Stress, Alcohol and Recovery
Men often give a lot of attention to workouts and supplements while underestimating recovery. Sleep, stress and alcohol can all influence appetite, training quality, energy, food choices and consistency.
Poor sleep can make hunger and cravings harder to manage. Stress can change eating behaviour and reduce motivation for movement. Alcohol can add energy intake, disrupt sleep and make the next day’s routine harder to follow.
This is not about perfection or judgement. It is about recognising that body composition is influenced by the whole pattern, not just the training plan.
For more, see Sleep, Stress and Cortisol and Nutrition for Stress Resilience: 10 Foods That Support Mood, Focus & Nervous System Health.
When Fat Loss Is a Goal
If fat loss is a goal, the aim is not simply to make the number on the scale fall as quickly as possible. A more useful aim is to reduce excess body fat where appropriate while preserving strength, muscle and physical function.
That generally means avoiding overly aggressive restriction, eating enough protein, resistance training, walking regularly, building meals around whole foods and allowing enough recovery.
For men using prescribed GLP-1 medications, appetite may be much lower. This can make it harder to eat enough protein, fibre, fluids and micronutrients. Nutrition support from a healthcare professional or Accredited Practising Dietitian may be useful.
Food-first context is covered in The Ozempic Effect with Food: GLP-1 Foods for Satiety, Appetite Control & Blood Sugar Balance and Metabolic Nutrition: Supporting Muscle Health, Satiety & Natural GLP-1 Responses Through Nutrition.
For targeted collagen peptide context, Skinny Glow may be relevant within a broader metabolic wellness routine, particularly where a person is also considering beauty-from-within and collagen support. It should sit alongside meals, movement, sleep and professional advice where needed.
A Practical Daily Framework for Men
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Time of day |
Food and movement focus |
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Morning |
Start with water, tea or broth if you enjoy a savoury option. Include protein at breakfast, such as eggs, yoghurt, tofu, fish, legumes or leftovers. Get daylight and gentle movement where possible. |
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Midday |
Build lunch around protein, vegetables, fibre-rich carbohydrates and healthy fats. Take a short walk after eating if that suits your routine. Use soups, leftovers or broth-based bowls when you need something practical. |
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Afternoon |
Choose an intentional snack if hungry, such as yoghurt, fruit with nuts, eggs, cottage cheese or a protein-containing broth. |
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Evening |
Choose a satisfying dinner rather than grazing all evening. Add colourful vegetables, herbs and spices for flavour and variety. Protect sleep with a consistent wind-down routine. |
Hydration matters too. Warm broth, soups and savoury drinks can contribute to a functional hydration routine, especially when paired with meals and everyday movement. Functional Hydration explains this in more detail.
Simple Strength-Supporting Bone Broth Bowl

Use this as a flexible template rather than a strict recipe.
Ingredients
· 500 ml prepared Broth & Co bone broth
· 1 serve cooked chicken, beef, tofu, tempeh or eggs
· 1 cup cooked rice, barley, noodles or potatoes
· 2 cups mixed vegetables such as greens, carrot, mushrooms, zucchini or pumpkin
· Fresh herbs, chilli, ginger, garlic, lemon or lime
· Olive oil, sesame oil or avocado as preferred
Method
· Warm the broth with herbs, spices or aromatics.
· Add vegetables and simmer until tender.
· Add your protein source and carbohydrate.
· Finish with herbs, lemon or lime and a small amount of healthy fat.
This kind of bowl brings together protein, fluid, vegetables, carbohydrates, flavour and warmth in one practical meal. The Power of Soup: How One Pot Can Support Immune Health, Eat More Vegetables & Reduce Food Waste has more ideas.
Try the Recipes
For practical meals using bone broth, vegetables, herbs, spices and quality ingredients, explore our collection of nourishing recipes.
Mediterranean Bone Broth Recipes
From Australia to Asia: A Journey Through Traditional Soups, Broths & Nourishing Recipes
Latin American Soups, Stews & Comfort Food Recipes with Bone Broth
Eastern European Comfort in a Bowl: Traditional Soups & Stews with Bone Broth
How to Flavour Bone Broth: Herbs, Spices & Gut-Friendly Ingredients
Healing Soups & Nourishing Broths: Bone Broth Recipes for Recovery
Vegetable-Forward Nourishing Soups
7-Day Bone Broth Meal Plan: Gut Health, Energy & Easy Daily Nutrition
Frequently Asked Questions
Why is muscle important for men?
Muscle supports strength, movement, glucose uptake, glycogen storage, physical function, recovery and healthy ageing.
Why do men gain abdominal fat with age?
Abdominal fat can be influenced by activity, muscle mass, sleep, alcohol intake, diet quality, stress, genetics, health status and age-related physiological changes.
Can men build muscle after 40?
Yes. Men can respond to resistance exercise across adulthood, although training, recovery, protein intake and individual health status all matter.
Can men build muscle after 60?
Yes. Resistance exercise and adequate nutrition can support strength and muscle function in older adults. Programs should suit individual ability and health status.
Is walking enough for men’s metabolism?
Walking is valuable for daily activity and fitness, but resistance training provides a stronger stimulus for building and preserving muscle.
How much protein do men need?
Protein needs vary by age, body size, training, activity, energy intake and health status. Many men benefit from including a meaningful protein source at each main meal.
Is collagen good for building muscle?
Collagen peptides have a different amino acid profile from complete protein foods. They can complement a routine but should not replace complete protein when muscle maintenance is the priority.
Where does bone broth fit for men?
Bone broth can be used as a protein-containing savoury food in soups, stews, bowls, sauces and drinks as part of a balanced diet.
Should men focus on weight or waist circumference?
Both can be useful. Waist circumference can add insight into abdominal fat distribution, while strength, fitness, energy and body composition also matter.
What is the best exercise for men’s metabolism?
There is no single best exercise. A combination of resistance training, walking, aerobic activity and everyday movement provides complementary benefits.
Summary
For men, muscle is a foundation for strength, body composition, glucose regulation, physical function and healthy ageing. It is not only about appearance.
The strongest approach is rarely extreme. It is built through protein-rich meals, resistance training, regular movement, fibre-rich whole foods, hydration, sleep, recovery and consistency.
Bone broth, collagen peptides and functional protein foods can all have a place, but they work best within a complete daily routine that supports the whole body.