Muscle soreness after exercise typically peaks between 24 and 72 hours after your workout, and the strategies that reduce it most effectively target both the damage itself and your body’s inflammatory response. The good news: a combination of smart nutrition, movement, and recovery techniques can meaningfully shorten how long you feel stiff and achy.
Why Your Muscles Get Sore in the First Place
Post-workout soreness, technically called delayed onset muscle soreness (DOMS), is classified as a type 1 muscle strain. It follows a predictable pattern: a pain-free window of 12 to 24 hours after exercise, then peak soreness between 24 and 72 hours.
The soreness comes from microscopic disruption to muscle fibers and connective tissue. Movements where muscles lengthen under load (lowering a weight, running downhill, walking down stairs) cause the most damage because fewer motor units are recruited during those contractions, concentrating force over a smaller area of muscle. Your immune system then sends inflammatory cells to clean up the damaged tissue. These cells do their job well, but they also produce reactive oxygen species that can damage healthy neighboring cells in the process, extending the soreness beyond the original injury site.
Understanding this two-phase process (initial damage, then inflammatory collateral damage) is useful because the best soreness-reduction strategies target one or both phases.
Eat Enough Protein, and Eat It Consistently
Your muscles rebuild using amino acids from dietary protein, and falling short slows recovery. The American College of Sports Medicine recommends 1.2 to 1.7 grams of protein per kilogram of body weight per day for people who exercise regularly. For a 150-pound person, that works out to roughly 82 to 116 grams daily.
Spacing protein across meals matters more than loading it all into one post-workout shake. Aim for 20 to 40 grams per meal, and try to eat a protein-rich meal or snack within a couple hours of finishing your workout. This gives your muscles a steady supply of building blocks throughout the day rather than a single flood they can’t fully use.
Try Tart Cherry Juice
Tart cherries are rich in plant compounds that act as natural anti-inflammatories, directly counteracting the second phase of soreness where immune cells damage healthy tissue. Research from the University of New Mexico found that the common effective dose across multiple studies is the equivalent of about 50 cherries per serving, taken twice a day (once in the morning, once in the evening).
In one study, college students who drank 12 ounces of a tart cherry juice blend twice daily for eight days reported less soreness after intense exercise. Marathon runners in another study followed a similar protocol for five days before the race, the day of, and two days after. If you’re not a fan of juice, tart cherry concentrate and capsules are available, though the juice has the most research behind it. Start the protocol a few days before a particularly hard workout or event for the best results.
Consider Magnesium
Magnesium plays a direct role in muscle contraction and relaxation, and supplementation has shown promise for reducing post-exercise soreness. In one trial, participants who took 500 mg of magnesium daily for a week reported less muscle soreness at 24, 48, and 72 hours after intense exercise compared to a placebo group. The anti-inflammatory properties of magnesium appear to help dampen the immune response that extends soreness.
Research suggests increasing magnesium intake by 10 to 20 percent above the standard recommended dose, especially for active individuals. Taking it about two hours before exercise may be most beneficial. Magnesium oxide is the form used in some of the clinical studies, though magnesium glycinate and citrate are popular for their better absorption and gentler effect on digestion.
Use Cold Water After Hard Workouts
Cold water immersion reduces soreness by constricting blood vessels and limiting the inflammatory cascade in the hours after exercise. The protocol used in clinical research calls for water temperatures of 10 to 12°C (50 to 54°F) for about 15 minutes.
You don’t need a dedicated ice bath to get the effect. A cold shower, a bathtub with cold water and a bag of ice, or even a cold lake or pool can work. The discomfort is real for the first couple of minutes, then your body adjusts. If full immersion isn’t realistic, focusing cold water on the muscle groups you worked hardest (legs after a run, shoulders after an upper-body session) still helps. Heat therapy at around 40°C (104°F) for 15 minutes is also being studied as an alternative and can feel more tolerable, though the evidence for cold is currently stronger for acute soreness reduction.
Move the Next Day (Lightly)
The instinct to rest completely when you’re sore is understandable, but light movement on recovery days consistently outperforms total rest for reducing stiffness and pain. Active recovery works by increasing blood flow to damaged muscles, delivering nutrients and clearing inflammatory byproducts.
The key word is light. You want Zone 1 effort: a pace where your breathing doesn’t change and you could hold a full conversation without effort. Think a 20-minute walk, easy cycling, gentle swimming, or a slow yoga flow. This isn’t a workout. If you’re pushing hard enough to break a sweat or feel your heart rate climb noticeably, you’ve gone too far and risk adding stress to already-damaged tissue.
Stretch After, Not Before
Static stretching before exercise doesn’t prevent soreness and can actually reduce your power output during the workout itself. Save static stretches for after your session, when they help return muscles to their pre-exercise length and reduce post-workout stiffness.
Before exercise, dynamic stretching is what you want: leg swings, arm circles, walking lunges, high knees. These movements warm up muscles through their full range of motion, preparing them for load without the temporary strength reduction that holding a static stretch causes. A five-minute dynamic warmup before training and five to ten minutes of gentle static stretching afterward is a simple framework that covers both performance and recovery.
Stay Hydrated Before and During Exercise
Dehydrated muscles are more susceptible to damage and recover more slowly. Water supports the transport of nutrients to damaged tissue and helps flush metabolic waste products that contribute to that heavy, achy feeling. There’s no single magic number for fluid intake because sweat rates vary enormously, but a practical approach is to drink water consistently throughout the day, increase intake in the hours before exercise, and sip during your workout rather than chugging afterward.
If your workouts last longer than 60 minutes or take place in heat, adding electrolytes (sodium, potassium, magnesium) helps maintain fluid balance. Plain water is sufficient for shorter sessions.
Progress Gradually
The single biggest predictor of severe soreness is doing too much too soon. Your muscles adapt remarkably fast to new demands, but only if you give them time. Adding volume or intensity in increments of roughly 10 percent per week lets your connective tissue and muscle fibers strengthen without the kind of widespread microtrauma that leaves you hobbling for days.
This applies to new exercises especially. The first time you do Bulgarian split squats or heavy eccentric lowering, you’ll almost certainly be sore regardless of other precautions. That’s normal. By the second or third session, the same exercise at the same weight will produce noticeably less soreness. This adaptation effect, sometimes called the repeated bout effect, is one of the most reliable phenomena in exercise science.
When Soreness Is Something More Serious
Normal DOMS is uncomfortable but manageable, peaks around 48 hours, and gradually fades over three to five days. Rhabdomyolysis, a condition where muscle fibers break down so severely that their contents leak into the bloodstream, is a medical emergency that can look like extreme soreness at first.
The warning signs that distinguish rhabdomyolysis from regular soreness include dark urine that looks brown, red, or tea-colored; significant muscle swelling (not just tightness); muscle weakness where you physically can’t use the affected area normally; nausea; and decreased urination. If you have extremely sore or weak muscles a few days after exercising and notice any of these additional symptoms, especially the dark urine, contact a healthcare provider immediately. Rhabdomyolysis is rare in routine exercise but more common after unusually intense sessions, particularly in heat or after long breaks from training.