Strength training twice a week: one step, benefits for everything
If a man over 40 could pick only one piece of advice out of all of them, it would be strength training. It works on metabolism, the heart, muscles, bones, mood and desire all at once. And you don't need a gym for it.
Why it works
- Metabolism. Muscle is the main "consumer" of sugar. The more of it you have, the less the belly grows and the easier it is for your metabolism.
- Heart and blood vessels. Physical fitness is one of the strongest factors for a long life, and strength training combined with walking or other cardio is stronger than either one alone.
- Muscles and bones. With age, muscle and bone are quietly lost, and weakness leads to falls and fractures. Load is the main signal for them to stay strong.
- Mood and desire. Strength training improves both.
- Brain. Movement improves attention and clarity.
To be honest: strength training doesn't raise resting testosterone. Train for strength and metabolism, not for a hormone "spike".
How to do it
- Two sessions of 30–40 minutes on different days.
- The basics are squats, pulls and presses. For example: squats to a chair, pulling a resistance band towards your waist, push-ups against a wall or table, step-ups, an overhead dumbbell press.
- No pain. The load should be noticeable but not painful.
- Add gradually. When it gets easy — a little more weight or more reps.
With a trainer, results and safety are better. VIA-L has a voice-guided "Workout of the day" — you can start with that.
Who should be more careful
- High blood pressure: don't hold your breath during the effort — breathe out as you lift. After floor exercises, don't get up abruptly.
- Diabetes medication: with a new load, blood sugar can drop more than usual. Keep a quick snack at hand, and stop if you feel weak or shaky.
- Joint or back pain: if an exercise causes pain, swap it for an easier one or reduce the weight.
If you're not sure whether the load is right for you — discuss it with a doctor. If you get chest pain, shortness of breath or feel faint during exercise — stop and see a doctor straight away.
What can get in the way
- "No time". Two 30-minute sessions are one hour a week.
- "I haven't trained in ages". Start with your own body weight and a chair. Regularity matters, not records.
What to expect
Mood and energy often change before muscles and waistline do. Log your workouts and how you feel in VIA-L — in a few weeks you'll see what is changing for you.
What this is based on
This article is based on topics from the VIA-L knowledge base. These are the published studies behind them:
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- Key Findings on the Efficacy and Safety of Testosterone Therapy From Two Large Randomized Trials — The Journal of Clinical Endocrinology and Metabolism, 2026 doi
- Metabolic Dysfunction–Associated Steatotic Liver Disease in Adults — JAMA, 2026 doi
- The Effect of Chromium Picolinate Supplementation on Cardiometabolic Biomarkers, Tumor Necrosis Factor-Α Gene Expression, and DNA Damage in Subjects With Metabolic Syndrome: A Randomized Placebo-Controlled Clinical Trial — Biological Trace Element Research, 2026 doi
- Do the Effects of Early Time-Restricted Eating Vary by Cardiometabolic Phenotype, Age, Sex, or Race? A Secondary Analysis of a Randomized Controlled Trial — The Journal of Nutrition, 2026 doi
- Efficacy of Exercise-Based Interventions for Metabolic Syndrome: An Umbrella Review With Meta-Analyses — Obesity Reviews : An Official Journal of the International Association for the Study of Obesity, 2026 doi
- 4 — Diabetes Care, 2026 doi
- What to Know About the New Lipid Guidelines — JAMA, 2026 doi
- Traditional and Emerging Lipid Markers for Cardiovascular Risk Assessment in Young vs Older Adults — JAMA Network Open, 2026 doi
- Would you like to explore the 2026 ACC/AHA guideline recommendations for specific LDL-C and ApoB treatment targets across different risk categories, including the evidence for very aggressive LDL-C lowering (2026 ACC/AHA/AACVPR/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Dyslipidemia: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines — Journal of the American College of Cardiology, 2026 doi
- 2026 ACC/AHA/AACVPR/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Dyslipidemia: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines — 2026 doi
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- 2026 Dietary Guidance to Improve Cardiovascular Health: A Scientific Statement From the American Heart Association — 2026 doi
- Safety of 12-Months Administration of Ashwagandha (Withania Somnifera) Standardized Root Extract in Healthy Adults: A Prospective, Observational Study — Phytotherapy Research : PTR, 2025 doi
- Evaluation of Potential Hormonal Activities of Ashwagandha (Withania Somnifera) — Phytotherapy Research : PTR, 2025 doi
- Dietary Patterns and Testosterone Balance: A Review of Clinical Data and Perspectives — Journal of Advanced Research, 2025 doi
- Testosterone Treatment in Middle-Aged and Older Men with Hypogonadism — The New England Journal of Medicine, 2025 doi
- Semaglutide improved sperm morphology in obese men with type 2 diabetes mellitus and functional hypogonadism — Diabetes, Obesity & Metabolism, 2025 doi
- Effects of Testosterone Deficiency and Therapy on the Cardiometabolic Syndrome in Men — The American Journal of the Medical Sciences, 2025 doi
- The Effect of Chromium Supplementation on Cardio-Metabolic Risk Factors in Overweight and Obese Patients — Journal of Trace Elements in Medicine and Biology : Organ of the Society for Minerals and Trace Elements (GMS), 2025 doi
- Metabolic Effects of Testosterone Added to Intensive Lifestyle Intervention in Older Men With Obesity and Hypogonadism — The Journal of Clinical Endocrinology and Metabolism, 2025 doi
- Efficacy and Safety of Berberine on the Components of Metabolic Syndrome: A Systematic Review and Meta-Analysis of Randomized Placebo-Controlled Trials — Frontiers in Pharmacology, 2025 doi
- What Is a Cardiac CT Calcium Score? — JAMA, 2025 doi
- Effect of Lipid-Lowering Therapies on Lipoprotein(a) Levels: A Comprehensive Meta-Analysis of Randomized Controlled Trials — Atherosclerosis, 2025 doi
- Alcohol Use and Cardiovascular Disease: A Scientific Statement From the American Heart Association — Circulation, 2025 doi
- Male Hypogonadism: Pathogenesis, Diagnosis, and Management — Diabetes & Endocrinology, 2024 doi
- Dietary Fat Quality and Serum Androgen Concentrations in Middle-Aged Men — European Journal of Clinical Nutrition, 2024 doi
- Do "Testosterone Boosters" Really Increase Serum Total Testosterone? A Systematic Review — International Journal of Impotence Research, 2024 doi
- Testosterone Treatment and Fractures in Men with Hypogonadism — The New England Journal of Medicine, 2024 doi
- Effect of Testosterone Replacement Therapy on Sexual Function and Hypogonadal Symptoms in Men With Hypogonadism — The Journal of Clinical Endocrinology and Metabolism, 2024 doi
- Depressive Syndromes in Men With Hypogonadism in the TRAVERSE Trial: Response to Testosterone-Replacement Therapy — The Journal of Clinical Endocrinology and Metabolism, 2024 doi
- Associations of Testosterone and Related Hormones With All-Cause and Cardiovascular Mortality and Incident Cardiovascular Disease in Men : Individual Participant Data Meta-Analyses — Annals of Internal Medicine, 2024 doi
- Effect of Testosterone on Progression From Prediabetes to Diabetes in Men With Hypogonadism: A Substudy of the TRAVERSE Randomized Clinical Trial — JAMA Internal Medicine, 2024 doi
- Chromium Supplementation and Type 2 Diabetes Mellitus: An Extensive Systematic Review — Environmental Geochemistry and Health, 2024 doi
- The Effect of Berberine Supplementation on Glycemic Control and Inflammatory Biomarkers in Metabolic Disorders: An Umbrella Meta-Analysis of Randomized Controlled Trials — Clinical Therapeutics, 2024 doi
- Intermittent Fasting and Health Outcomes: An Umbrella Review of Systematic Reviews and Meta-Analyses of Randomised Controlled Trials — EClinicalMedicine, 2024 doi
- Effectiveness of Stress Management Interventions to Change Cortisol Levels: A Systematic Review and Meta-Analysis — Psychoneuroendocrinology, 2024 doi
- Effects on Cardiovascular Risk Factors of a Low- Vs High-Glycemic Index Mediterranean Diet in High Cardiometabolic Risk Individuals: The MEDGI-Carb Study — European Journal of Clinical Nutrition, 2024 doi
- Effects of Various Exercise Types on Visceral Adipose Tissue in Individuals With Overweight and Obesity: A Systematic Review and Network Meta-Analysis of 84 Randomized Controlled Trials — Obesity Reviews : An Official Journal of the International Association for the Study of Obesity, 2024 doi
- 2024 Guideline for the Primary Prevention of Stroke: A Guideline From the American Heart Association/American Stroke Association — 2024 doi
- Prostate Safety Events During Testosterone Replacement Therapy in Men With Hypogonadism: A Randomized Clinical Trial — JAMA Network Open, 2023 doi
- Correlation Between Serum Zinc and Testosterone: A Systematic Review — Journal of Trace Elements in Medicine and Biology : Organ of the Society for Minerals and Trace Elements (GMS), 2023 doi
- Cardiovascular Safety of Testosterone-Replacement Therapy — The New England Journal of Medicine, 2023 doi
- The Effects of Sleep Deprivation and Obstructive Sleep Apnea Syndrome on Male Reproductive Function: A Multi-Arm Randomised Trial — Journal of Sleep Research, 2023 doi
- Exploring the Efficacy and Safety of a Novel Standardized Ashwagandha (Withania Somnifera) Root Extract (Witholytin®) in Adults Experiencing High Stress and Fatigue in a Randomized, Double-Blind, Placebo-Controlled Trial — Journal of Psychopharmacology (Oxford, England), 2023 doi
- Metabolic Syndrome and Erectile Dysfunction: A Systematic Review and Meta-Analysis Study — Journal of Endocrinological Investigation, 2023 doi
- Overall and Sex-Specific Effect of Berberine on Glycemic and Insulin-Related Traits: A Systematic Review and Meta-Analysis of Randomized Controlled Trials — The Journal of Nutrition, 2023 doi
- AASLD Practice Guidance on the Clinical Assessment and Management of Nonalcoholic Fatty Liver Disease — Hepatology (Baltimore, Md.), 2023 doi
- 2023 AHA/ACC/ACCP/ASPC/NLA/PCNA Guideline for the Management of Patients With Chronic Coronary Disease: A Report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines — 2023 doi
- Increasing Equity of Physical Activity Promotion for Optimal Cardiovascular Health in Adults: A Scientific Statement From the American Heart Association — Circulation, 2023 doi
- Novel Prediction Equations for Absolute Risk Assessment of Total Cardiovascular Disease Incorporating Cardiovascular-Kidney-Metabolic Health: A Scientific Statement From the American Heart Association — Circulation, 2023 doi
- Sleep, testosterone and cortisol balance, and ageing men — Reviews in Endocrine & Metabolic Disorders, 2022 doi
- Aging and Androgens: Physiology and Clinical Implications — Reviews in Endocrine & Metabolic Disorders, 2022 doi
- Effects of Exercise Training on Anabolic and Catabolic Hormones with Advanced Age: A Systematic Review — Sports Medicine (Auckland, N.Z.), 2022 doi
- Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review — Clinical Therapeutics, 2022 doi
- Examining the Effects of Calorie Restriction on Testosterone Concentrations in Men: A Systematic Review and Meta-Analysis — Nutrition Reviews, 2022 doi
- Proposal for Standardizing Normal Insulin Ranges in Brazilian Patients and a New Classification of Metabolic Syndrome — Frontiers in Medicine, 2022 doi
- Statin Use for the Primary Prevention of Cardiovascular Disease in Adults: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force — JAMA, 2022 doi
- Statin Use for the Primary Prevention of Cardiovascular Disease in Adults: US Preventive Services Task Force Recommendation Statement — JAMA, 2022 doi
- Role of Coronary Artery Calcium Testing for Risk Assessment in Primary Prevention of Atherosclerotic Cardiovascular Disease: A Review — JAMA Cardiology, 2022 doi
- Association of Habitual Alcohol Intake With Risk of Cardiovascular Disease — JAMA Network Open, 2022 doi
- Comparison of American and European Guidelines for Primary Prevention of Cardiovascular Disease: JACC Guideline Comparison — Journal of the American College of Cardiology, 2022 doi
- Life's Essential 8: Updating and Enhancing the American Heart Association's Construct of Cardiovascular Health: A Presidential Advisory From the American Heart Association — Circulation, 2022 doi
- Effect of Partial and Total Sleep Deprivation on Serum Testosterone in Healthy Males: A Systematic Review and Meta-Analysis — Sleep Medicine, 2021 doi
- Examining the Effects of Herbs on Testosterone Concentrations in Men: A Systematic Review — Advances in Nutrition (Bethesda, Md.), 2021 doi
- Sociodemographic, lifestyle and medical influences on serum testosterone and sex hormone–binding globulin in men from UK Biobank — Clinical Endocrinology, 2021 doi
- Testosterone and Exercise: Effects on Fitness, Body Composition, and Strength in Middle-to-Older Aged Men With Low-Normal Serum Testosterone Levels — Heart and Circulatory Physiology, 2021 doi
- Effects of Mediterranean Diet on Plasma Metabolites and Their Relationship With Insulin Resistance and Gut Microbiota Composition in a Crossover Randomized Clinical Trial — Clinical Nutrition (Edinburgh, Scotland), 2021 doi
- Effects of Dietary Eicosapentaenoic Acid and Docosahexaenoic Acid Supplementation on Metabolic Syndrome: A Systematic Review and Meta-Analysis of Data From 33 Randomized Controlled Trials — Clinical Nutrition (Edinburgh, Scotland), 2021 doi
- Management of Obesity in Cardiovascular Practice: JACC Focus Seminar — Journal of the American College of Cardiology, 2021 doi
- Obesity and Cardiovascular Disease: A Scientific Statement From the American Heart Association — Circulation, 2021 doi
- Optimal Threshold of Homeostasis Model Assessment of Insulin Resistance to Identify Metabolic Syndrome in a Chinese Population Aged 45 Years or Younger — Frontiers in Endocrinology, 2021 doi
- Nutraceuticals in the Management of Dyslipidemia: Which, When, and for Whom? Could Nutraceuticals Help Low-Risk Individuals With Non-Optimal Lipid Levels? — Current Atherosclerosis Reports, 2021 doi
- Coronary Artery Calcium: Where Do We Stand After Over 3 Decades? — The American Journal of Medicine, 2021 doi
- Cardiovascular Impact of Nutritional Supplementation With Omega-3 Fatty Acids: JACC Focus Seminar — Journal of the American College of Cardiology, 2021 doi
- 2021 Dietary Guidance to Improve Cardiovascular Health: A Scientific Statement From the American Heart Association — 2021 doi
- Physical Activity as a Critical Component of First-Line Treatment for Elevated Blood Pressure or Cholesterol: Who, What, and How?: A Scientific Statement From the American Heart Association — : 1979), 2021 doi
- Reviewing the Evidence on Vitamin D Supplementation in the Management of Testosterone Status and Its Effects on Male Reproductive System (Testis and Prostate): Mechanistically Dazzling but Clinically Disappointing — Clinical Therapeutics, 2020 doi
- Age and Time-of-Day Differences in the Hypothalamo-Pituitary-Testicular, and Adrenal, Response to Total Overnight Sleep Deprivation — Sleep, 2020 doi
- The Association Between Popular Diets and Serum Testosterone Among Men in the United States — The Journal of Urology, 2020 doi
- A Randomized Controlled Pilot Trial of Sleep Health Education on Body Composition Changes Following 10 Weeks' Resistance Exercise — The Journal of Sports Medicine and Physical Fitness, 2020 doi
- Omega-3 Fatty Acids for the Primary and Secondary Prevention of Cardiovascular Disease — The Cochrane Database of Systematic Reviews, 2020 doi
- Colon-Delivered Short-Chain Fatty Acids Attenuate the Cortisol Response to Psychosocial Stress in Healthy Men: A Randomized, Placebo-Controlled Trial — Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology, 2020 doi
- Lipid Management in Patients With Endocrine Disorders: An Endocrine Society Clinical Practice Guideline — The Journal of Clinical Endocrinology and Metabolism, 2020 doi
- Effect of Bergamot on Lipid Profile in Humans: A Systematic Review — Critical Reviews in Food Science and Nutrition, 2020 doi
- Causal Link Between Vitamin D and Total Testosterone in Men: A Mendelian Randomization Analysis — The Journal of Clinical Endocrinology and Metabolism, 2019 doi
- A Clinical Perspective of Sleep and Andrological Health: Assessment, Treatment Considerations, and Future Research — The Journal of Clinical Endocrinology and Metabolism, 2019 doi
- Effects of different exercise training programs on body composition: A randomized control trial — Scandinavian Journal of Medicine & Science in Sports, 2019 doi
- Omega-3 Fatty Acids for the Management of Hypertriglyceridemia: A Science Advisory From the American Heart Association — Circulation, 2019 doi
- Associations Between Homeostasis Model Assessment (HOMA) and Routinely Examined Parameters in Individuals With Metabolic Syndrome — Physiological Research, 2019 doi
- Lipoprotein(a): Current Evidence for a Physiologic Role and the Effects of Nutraceutical Strategies — Clinical Therapeutics, 2019 doi
- 2019 ACC/AHA Guideline on the Primary Prevention of Cardiovascular Disease: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines — 2019 doi
- Cardiovascular Risk Reduction with Icosapent Ethyl for Hypertriglyceridemia — The New England Journal of Medicine, 2019 doi
- Effects of a New Combination of Medical Food on Endothelial Function and Lipid Profile in Dyslipidemic Subjects: A Pilot Randomized Trial — BioMed Research International, 2019 doi
- 2019 ACC/AHA Guideline on the Primary Prevention of Cardiovascular Disease: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines — 2019 doi
- Effects of Nutritional Supplements and Dietary Interventions on Cardiovascular Outcomes: An Umbrella Review and Evidence Map — Annals of Internal Medicine, 2019 doi
- Evaluation and Management of Testosterone Deficiency: AUA Guideline — The Journal of Urology, 2018 doi
- Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline — The Journal of Clinical Endocrinology and Metabolism, 2018 doi
- Early Time-Restricted Feeding Improves Insulin Sensitivity, Blood Pressure, and Oxidative Stress Even Without Weight Loss in Men With Prediabetes — Cell Metabolism, 2018 doi
- Hypogonadotropic Hypogonadism in Men With Diabesity — Diabetes Care, 2018 doi
- Cardiovascular Disease Prevention by Diet Modification: JACC Health Promotion Series — Journal of the American College of Cardiology, 2018 doi
- The Role of Nutraceuticals in Statin Intolerant Patients — Journal of the American College of Cardiology, 2018 doi
- Reprint Of: Cardiovascular Disease Prevention by Diet Modification: JACC Health Promotion Series — Journal of the American College of Cardiology, 2018 doi
- 2018 AHA/ACC/AACVPR/AAPA/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Blood Cholesterol: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines — 2018 doi
- Effect of Testosterone Treatment on Volumetric Bone Density and Strength in Older Men With Low Testosterone: A Controlled Clinical Trial — JAMA Internal Medicine, 2017 doi
- A Perspective on Middle-Aged and Older Men With Functional Hypogonadism: Focus on Holistic Management — The Journal of Clinical Endocrinology and Metabolism, 2017 doi
- Effect of Magnesium Supplementation on Insulin Resistance in Humans: A Systematic Review — Nutrition (Burbank, Los Angeles County, Calif.), 2017 doi
- Increased Physical Activity Has a Greater Effect Than Reduced Energy Intake on Lifestyle Modification-Induced Increases in Testosterone — Journal of Clinical Biochemistry and Nutrition, 2016 doi
- A Systematic Review and Meta-Analysis of Randomized Controlled Trials on the Effects of Magnesium Supplementation on Insulin Sensitivity and Glucose Control — Pharmacological Research, 2016 doi
- Effect of Magnesium Supplementation on Glucose Metabolism in People With or at Risk of Diabetes: A Systematic Review and Meta-Analysis of Double-Blind Randomized Controlled Trials — European Journal of Clinical Nutrition, 2016 doi
- Hypomagnesemia in Type 2 Diabetes: A Vicious Circle? — Diabetes, 2016 doi
- Physical Activity/Exercise and Diabetes: A Position Statement of the American Diabetes Association — Diabetes Care, 2016 doi
- Vitamin D supplementation and testosterone concentrations in male human subjects — Clinical Endocrinology, 2015 doi
- Metabolic and hormonal effects of ‘catch‐up’ sleep in men with chronic, repetitive, lifestyle‐driven sleep restriction — Clinical Endocrinology, 2015 doi
- Nutrients other than carbohydrates: their effects on glucose homeostasis in humans — Diabetes/Metabolism Research and Reviews, 2015 doi
- Protective Effects of the Mediterranean Diet on Type 2 Diabetes and Metabolic Syndrome — The Journal of Nutrition, 2015 doi
- Resistance Training Restores Muscle Sex Steroid Hormone Steroidogenesis in Older Men — FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology, 2014 doi
- The Interplay between Magnesium and Testosterone in Modulating Physical Function in Men — International Journal of Endocrinology, 2014 doi
- Age-Associated Changes in Hypothalamic-Pituitary-Testicular Function in Middle-Aged and Older Men Are Modified by Weight Change and Lifestyle Factors: Longitudinal Results From the European Male Ageing Study — European Journal of Endocrinology, 2013 doi
- Effects of Magnesium Supplementation on Testosterone Levels of Athletes and Sedentary Subjects at Rest and After Exhaustion — Biological Trace Element Research, 2011 doi
- The Effect of Mediterranean Diet on Metabolic Syndrome and Its Components: A Meta-Analysis of 50 Studies and 534,906 Individuals — Journal of the American College of Cardiology, 2011 doi
- Triglycerides and Cardiovascular Disease: A Scientific Statement From the American Heart Association — Circulation, 2011 doi
- Testosterone Physiology in Resistance Exercise and Training: The Up-Stream Regulatory Elements — Sports Medicine (Auckland, N.Z.), 2010 doi
- Magnesium Effect on Testosterone-SHBG Association Studied by a Novel Molecular Chromatography Approach — Journal of Pharmaceutical and Biomedical Analysis, 2009 doi
- Multiple Biomarkers and Their Relative Contributions to Identifying Metabolic Syndrome — Clinica Chimica Acta; International Journal of Clinical Chemistry, 2009 doi
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The strength of this evidence varies: some are large reviews and meta-analyses, some are small single studies. The steps in the article are simple, low-risk self-care measures, not treatment, and they may not suit everyone.
This is general information, not a prescription.