Healthy Subway options and low fat fast food: A men’s guide to ordering for metabolism and testosterone

Yes, you can find healthy Subway options and other low fat fast food choices if you prioritize lean protein, vegetables, and portion size, and treat sauces and fried sides as optional. Most guys do not need to “quit fast food,” but they do need a repeatable ordering system that protects blood pressure, body fat, and hormones.

Key takeaways

• A 2019 randomized controlled trial in Cell Metabolism found that an ultra-processed diet led adults to eat more calories and gain weight compared with an unprocessed diet, even though the meals offered were matched for calories, macronutrients, sugar, sodium, and fiber.^[1]
• According to the American Heart Association, replacing saturated fat with unsaturated fat lowers LDL cholesterol and cardiovascular disease, while replacing it with refined carbohydrates and sugars does not lower cardiovascular disease.^[2]
• If you want a lower calorie burger baseline, In N Out’s published nutrition information lists its Hamburger at 390 calories (items and portions vary), which can help you anchor a “single burger” order.
• According to the Endocrine Society, male hypogonadism should be diagnosed only when symptoms and signs of testosterone deficiency are present and morning testosterone is consistently low on repeat testing.^[3]
• Skipping sugary drinks is one of the simplest swaps: in randomized trials, adults who cut sugar intake lost a small amount of weight, mostly by eating fewer calories overall.^[4] Smaller portions and lighter dressings or sauces also help, and restaurant nutrition information makes options easy to compare.

Why fast food choices matter for men’s metabolism and hormones

You can eat fast food and still support your health, but your default choices need to shift toward healthy Subway options, smaller portions, and lower fat cooking methods. The aim is to reduce the repeated surplus of calories, sodium, and saturated fat that, over months, adds to belly fat and cardiometabolic risk.

A 2011 meta-analysis in The Journal of Sexual Medicine found that men with metabolic syndrome had lower testosterone levels than men without it.^[5] Metabolic syndrome is a cluster of risk factors, including abdominal obesity, high blood pressure, high blood sugar, and abnormal blood lipids, that raises the odds of diabetes and heart disease. A week built around calorie dense, salty, low fiber meals pushes several parts of that cluster in the wrong direction.

In the 2019 Cell Metabolism trial, 20 adults lived at the NIH Clinical Center and spent two weeks on an ultra-processed diet and two weeks on an unprocessed diet.^[1] On the ultra-processed diet they ate about 508 more calories per day and gained about 0.9 kg, and on the unprocessed diet they lost about 0.9 kg, even though the meals offered were matched for calories, sugar, fiber, and macronutrients.^[1] Weight gain matters for men because obesity is associated with lower testosterone.^[6]

How it works inside the male body

Ultra processed meals make it easy to overshoot calories

Ultra-processed foods are industrial formulations built from refined starches, added sugars, added fats, and additives designed for shelf life and palatability. In the 2019 Cell Metabolism inpatient trial, the extra calories eaten on the ultra-processed diet came from carbohydrate and fat, not protein.^[1]

This does not mean every fast food item is “bad.” The levers you control at the counter are portion size and choosing meals with more protein and fiber.

Saturated fat pushes LDL cholesterol upward

According to the American Heart Association’s 2017 presidential advisory, randomized trials that replaced saturated fat with polyunsaturated vegetable oil reduced cardiovascular disease by about 30%, and replacing saturated fat with unsaturated fat lowers LDL cholesterol.^[2] LDL cholesterol is the main cholesterol particle that contributes to plaque buildup in arteries. Replacing saturated fat with mostly refined carbohydrates and sugars did not reduce cardiovascular disease in clinical trials, so a lower fat order only helps when the fat is not simply swapped for refined starch and sugar.^[2]

Fast food can be high in saturated fat because of fatty cuts, fried items, cheese, and creamy sauces. A useful low fat fast food strategy is not zero fat. It is less saturated fat most days, in meals that still keep you full.

Sodium raises blood pressure

A 2013 Cochrane systematic review and meta-analysis in BMJ pooled 34 randomized trials and found that cutting salt intake by about 4.4 g a day for at least four weeks lowered systolic blood pressure by about 4 mm Hg, in people with and without high blood pressure.^[7] Sodium, the mineral in salt, makes the body retain more fluid, which raises blood pressure in many people.

Many “healthy sounding” fast food orders still run high in sodium because of bread, cheese, cured meats, pickles, sauces, and seasoning blends. Healthy Subway options should emphasize vegetables and lean proteins, with cheese and sauces kept modest.

Protein and fiber help with weight and cholesterol

A 2012 meta-analysis of randomized trials in The American Journal of Clinical Nutrition found that, on calorie restricted diets, higher protein intake produced modestly greater loss of weight and fat mass, better preservation of lean mass, and a larger drop in triglycerides than standard protein intake.^[8] Fiber is the part of plant foods you cannot digest. A 1999 meta-analysis of 67 controlled trials in the same journal found that soluble fiber, such as the fiber in oats, lowers total and LDL cholesterol, although the effect is small at practical intakes.^[9]

This is why the best low fat fast food patterns include grilled chicken, beans where available, and plenty of vegetables, such as salad, slaw, broccoli, or extra sandwich veggies. Salads can be a strong choice when you control sugary toppings and creamy dressings.

Hormone note: Insulin resistance means your cells respond poorly to insulin, the hormone that moves glucose into cells. Obesity and metabolic syndrome are tied to lower testosterone in men,^[5] and weight loss can modestly raise testosterone in men with obesity.^[6] Persistent symptoms still call for a full workup, and men with secondary or functional hypogonadism have alternatives to TRT, including lifestyle change and fertility preserving options.

Conditions linked to frequent fast food in men

Fast food does not cause one single disease by itself. The risk comes from a pattern that is calorie dense, low fiber, high sodium, and heavy on saturated fat.

• Overweight and obesity: In the 2019 Cell Metabolism trial, an ultra-processed diet drove higher calorie intake and weight gain, which is the main pathway to many downstream issues.^[1]
• Metabolic syndrome and type 2 diabetes risk: Metabolic syndrome is associated with lower testosterone in men and with higher cardiometabolic risk.^[5]
• High blood pressure: Salt reduction lowers blood pressure in people with normal and high blood pressure, so repeated high sodium meals work against blood pressure control.^[7]
• Atherogenic cholesterol profile: Replacing saturated fat with unsaturated fat lowers LDL cholesterol,^[2] and soluble fiber lowers it slightly,^[9] which is why low fat fast food is also about fat quality and fiber.
• Nonalcoholic fatty liver disease risk: European clinical practice guidelines describe fatty liver disease as closely tied to obesity, insulin resistance, and type 2 diabetes, and linked to higher cardiovascular risk.^[10]
• Testosterone deficiency symptoms: A 2013 meta-analysis in the European Journal of Endocrinology found that weight loss, through a low calorie diet or bariatric surgery, raised testosterone in men with obesity, with larger weight loss bringing larger increases.^[6] Persistent symptoms still warrant a full hormonal workup.

Many studies on fast food and chronic disease are observational, meaning they show correlation, not proof of cause. The stronger evidence concerns features fast food patterns often deliver, such as excess calories, high sodium, and higher saturated fat, which have measurable effects in randomized trials and meta-analyses.^{[1] [2] [7]} Even the ultra-processed food trial was small, with 20 adults followed for two weeks on each diet.^[1]

Symptoms and signals to watch for

If fast food has become a default, some early signs are symptoms you feel, and others show up only on lab results.

• You gain belly fat even though your gym routine has not changed.
• You feel hungrier sooner after meals, especially after fries, sugary drinks, or dessert items.
• Your blood pressure reads high more often than it used to.
• You feel afternoon fatigue, brain fog, or sleepiness after lunch. This can track with large, refined carb meals.
• Your libido drops, morning erections are less consistent, or workouts feel harder to recover from. These can be signs of low testosterone, poor sleep, or high stress load.
• Your labs start trending the wrong way, such as higher triglycerides, higher fasting glucose, or higher LDL cholesterol.

If you have persistent low libido, erectile dysfunction, or unexplained fatigue, it is reasonable to ask for a hormone and metabolic evaluation. Hypogonadism, or testosterone deficiency, is diagnosed only when persistent symptoms occur together with consistently low testosterone. A low number alone, or symptoms alone, is not enough.^[3]

What to do about it: healthy Subway options and low fat fast food ordering

1. Step 1: Get baseline numbers. Ask your clinician for blood pressure, waist circumference, fasting lipids, and glucose measures such as hemoglobin A1c, which reflects your average blood sugar over about three months. If you have symptoms of low testosterone, ask for repeat morning testing, drawn between 07:00 and 11:00 on more than one day. The Endocrine Society recommends fasting morning total testosterone, repeated to confirm a low result, plus free testosterone by equilibrium dialysis or an accurate formula when total testosterone is near the lower limit or SHBG may be altered.^[3] Testing should also include LH and FSH, which show whether the problem starts in the testes or in the brain’s signaling, and the American Urological Association guideline recommends measuring LH in men with low testosterone.^[11]
2. Step 2: Build your order with a simple template. Your template is lean protein plus plants plus controlled extras. This applies to healthy Subway options and to low fat fast food at burger chains.

   A healthy Subway options blueprint you can repeat:

   • Choose a smaller portion when possible. Then focus on protein first.
   • Pick lean protein more often than processed meats. Processed meats tend to bring more sodium.
   • Add plenty of vegetables. Ask for “extra” of the non starchy ones.
   • Go easy on cheese and creamy sauces. Ask for sauce on the side when available.
   • Choose simpler toppings like vinegar, mustard, or basic salsa style options when offered.

   Smaller portion fast food picks: These examples are mainly smaller portion or damage control choices, not necessarily truly low fat meals. Add vegetables or choose a lighter side when possible. Nutrition values can vary by location and recipe, so use each restaurant’s nutrition information to confirm current numbers.

   • Culver’s single mushroom and Swiss ButterBurger: 500 calories, 26 g protein, 26 g fat, 11 g saturated fat. Pair it with a garden side salad or steamed broccoli for extra vegetables.
   • Shake Shack single ShackBurger: 500 calories, 29 g protein, 30 g fat, 12 g saturated fat. A lettuce wrap and sauce on the side trim it further.
   • In N Out Hamburger: listed at 390 calories. Choosing the smaller “single” style burger helps keep total calories and extras under control.
   • Whataburger apple and cranberry Cobb salad with grilled chicken: 330 calories, 32 g protein, 12 g fat, 7.5 g saturated fat. Consider skipping dried fruit if you are limiting added sugar, and choose a lighter vinaigrette when available.
   • Raising Cane’s kids combo with coleslaw: 360 calories, 26 g protein, 18 g fat. Ask for coleslaw in place of fries to reduce calories and add some fiber.
   • Five Guys little hamburger: 540 calories, 18 g protein, 26 g fat, 11.5 g saturated fat. Add free vegetable toppings like lettuce, tomatoes, grilled onions, and mushrooms to increase volume and micronutrients.
   • Chick fil A market salad with grilled nuggets: This pairs grilled protein with a fiber dense base. If you are watching calories or added sugar, compare dressings and use a lighter option or less dressing.
   • Dave’s Hot Chicken kale slaw: 270 calories, 3 g fiber, and relatively low carbs, making it a better holdover snack than most fried options.
   • White Castle breakfast slider with egg and cheese: 200 calories and 9 g protein per slider. Two sliders add protein while keeping calories moderate.
   • Jollibee Yumburger: 360 calories, 13 g protein, 21 g fat, 8 g saturated fat. If you choose higher sodium and higher saturated fat items, plan the rest of your day around simpler, lower sodium meals.

   Two habits that make these orders work:

   • Watch liquid calories and sugar. A 2012 systematic review and meta-analysis in BMJ found that in adults, reducing sugar intake lowered body weight and increasing it raised body weight, largely through changes in total calorie intake.^[4] Sugary drinks are an easy place to cut.
   • Lean on protein and fiber. Higher protein intake helps preserve lean mass during weight loss,^[8] and soluble fiber modestly lowers LDL cholesterol.^[9]
3. Step 3: Monitor outcomes and adjust. Recheck weight trend, waist, and blood pressure. If you are changing orders but still gaining belly fat or feeling worse, look at sleep, alcohol, and training load. According to the American Urological Association, a diagnosis of testosterone deficiency requires both symptoms and low testosterone on at least two early morning tests.^[11] When labs and symptoms support treatment, low or normal LH with low testosterone points to secondary or functional hypogonadism, where the testes are intact, while high LH with low testosterone points to primary hypogonadism, where the testes themselves are failing and testosterone therapy is typically used.^[11] The Endocrine Society recommends against starting testosterone therapy in men planning fertility in the near term.^[3] Enclomiphene has been studied in men with secondary hypogonadism as a way to raise the body’s own testosterone production, but any use should be directed by a licensed clinician with appropriate follow-up.

Veedma offers testing that includes total and free testosterone measured by LC-MS/MS with LH and FSH, or a review of labs you already have, interpreted by licensed providers. When appropriate, those providers prescribe enclomiphene or the enclomiphene plus tadalafil tablet, and Veedma’s protocol uses enclomiphene as first-line treatment for secondary or functional hypogonadism. Enclomiphene is not an FDA-approved drug; it is prescribed after a provider confirms the diagnosis and is compounded by a licensed U.S. pharmacy.

Myth vs fact

Myth: “Low fat fast food” always means “low calorie.”

Fact: Lower fat items can still be calorie dense if portions are large or if they come with sugary drinks and sides. In trials, cutting sugar lowered body weight mainly by lowering total calorie intake, so portion size and liquid calories come first.^[4]

Myth: Salads are automatically healthy.

Fact: Salads can be excellent when they include grilled protein and a lighter dressing, but sugary toppings and creamy dressings can outweigh the benefits. Use restaurant nutrition info to compare dressings and portion them.

Myth: If you lift weights, fast food does not matter because “it is all macros.”

Fact: Food form matters. In a controlled trial, an ultra-processed diet led to higher calorie intake and weight gain, even when the meals offered had matching macros on paper.^[1]

Myth: A lettuce wrap fixes everything.

Fact: It can reduce refined carbs, but the meal can still be high in saturated fat and sodium depending on patties, cheese, and sauce. Use sauces on the side and add vegetables.

Myth: Low testosterone is only about aging, so diet changes are pointless.

Fact: Weight loss modestly raises testosterone in men with obesity,^[6] so nutrition and body composition are part of the picture. Persistent symptoms still need medical evaluation.

Bottom line

Healthy Subway options and low fat fast food are possible with a simple system: lead with lean protein, add plenty of vegetables, choose smaller portions, and limit sauces and sugary drinks. If you have persistent symptoms like erectile dysfunction, low libido, or unexplained fatigue, see a licensed clinician for a guideline based evaluation rather than self diagnosing.

References

1. Hall KD, Ayuketah A, Brychta R, et al. Ultra-Processed Diets Cause Excess Calorie Intake and Weight Gain: An Inpatient Randomized Controlled Trial of Ad Libitum Food Intake. Cell Metab. 2019;30:67-77.e3. PMID: 31105044
2. Sacks FM, Lichtenstein AH, Wu JHY, et al. Dietary Fats and Cardiovascular Disease: A Presidential Advisory From the American Heart Association. Circulation. 2017;136:e1-e23. PMID: 28620111
3. Bhasin S, Brito JP, Cunningham GR, et al. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2018;103:1715-1744. PMID: 29562364
4. Te Morenga L, Mallard S, Mann J. Dietary sugars and body weight: systematic review and meta-analyses of randomised controlled trials and cohort studies. BMJ. 2012;346:e7492. PMID: 23321486
5. Corona G, Monami M, Rastrelli G, et al. Testosterone and metabolic syndrome: a meta-analysis study. J Sex Med. 2011;8:272-83. PMID: 20807333
6. Corona G, Rastrelli G, Monami M, et al. Body weight loss reverts obesity-associated hypogonadotropic hypogonadism: a systematic review and meta-analysis. Eur J Endocrinol. 2013;168:829-43. PMID: 23482592
7. He FJ, Li J, Macgregor GA. Effect of longer term modest salt reduction on blood pressure: Cochrane systematic review and meta-analysis of randomised trials. BMJ. 2013;346:f1325. PMID: 23558162
8. Wycherley TP, Moran LJ, Clifton PM, et al. Effects of energy-restricted high-protein, low-fat compared with standard-protein, low-fat diets: a meta-analysis of randomized controlled trials. Am J Clin Nutr. 2012;96:1281-98. PMID: 23097268
9. Brown L, Rosner B, Willett WW, et al. Cholesterol-lowering effects of dietary fiber: a meta-analysis. Am J Clin Nutr. 1999;69:30-42. PMID: 9925120
10. European Association for the Study of the Liver (EASL), European Association for the Study of Diabetes (EASD), European Association for the Study of Obesity (EASO). EASL-EASD-EASO Clinical Practice Guidelines for the management of non-alcoholic fatty liver disease. J Hepatol. 2016;64:1388-402. PMID: 27062661
11. Mulhall JP, Trost LW, Brannigan RE, et al. Evaluation and Management of Testosterone Deficiency: AUA Guideline. J Urol. 2018;200:423-432. PMID: 29601923