Muscle soreness after a workout typically peaks 48 to 72 hours after exercise, and while you can’t eliminate it entirely, several strategies meaningfully reduce how intense it feels and how long it lasts. The soreness you’re dealing with is called delayed onset muscle soreness (DOMS), and understanding what’s actually happening in your muscles helps explain why some popular remedies work and others don’t.
What’s Actually Causing the Soreness
DOMS isn’t caused by lactic acid buildup, despite what you may have heard. The primary trigger is mechanical damage: when you push your muscles beyond what their structure can handle, especially during movements where muscles lengthen under load (think: the lowering phase of a squat or walking downhill), tiny structural injuries occur in the muscle fibers. This damage kicks off a cascade of protein breakdown, cellular cleanup, and local inflammation.
The first signs of soreness show up 6 to 12 hours after exercise, then build steadily. The inflammation peaks between 48 and 72 hours, which is why you often feel worse two days after a hard workout than you did the day after. Your body is actively repairing and reinforcing those fibers during this window, which is how muscles grow stronger over time. The soreness is a byproduct of that repair process, not a sign that something has gone wrong.
Cold Water Soaks Help With Soreness, Heat Helps Performance
Cold water immersion (ice baths, cold plunge tubs) is one of the better-studied recovery tools. Soaking in water around 59°F reduces inflammation, swelling, and the subjective feeling of fatigue after hard exercise. If your main goal is to feel less sore, cold water has the edge.
Hot water immersion, around 104°F, takes a different approach. Research from the American Physiological Society found that hot water soaking was better for maintaining exercise performance in subsequent sessions, even though it didn’t reduce inflammation markers more than cold. Interestingly, blood markers of muscle damage (creatine kinase and myoglobin) were similar across cold, hot, and no-immersion groups, suggesting that neither temperature actually speeds up the repair of damaged fibers. They just change how you feel during the process.
A practical approach: use a cold soak (10 to 15 minutes) when you’re very sore and need relief, and a warm bath when you want to feel loose and ready for your next session.
Stretching Won’t Prevent or Fix It
This one surprises a lot of people. Multiple systematic reviews, including a large meta-analysis published in Frontiers in Physiology, have found no statistically significant effect of stretching on DOMS at 24, 48, or 72 hours post-exercise. Stretching before exercise doesn’t prevent soreness, and stretching after exercise doesn’t reduce it. These findings have been consistent across several independent reviews dating back to 2002.
That doesn’t mean stretching is useless. It can improve flexibility and feel good in the moment. But if you’re stretching specifically to prevent next-day soreness, it’s not doing what you think it’s doing. Your time is better spent on other recovery strategies.
What to Eat and Drink for Faster Recovery
Magnesium plays a direct role in muscle recovery after exercise. Supplementing with magnesium has been shown to lower inflammatory markers and reduce reported muscle soreness at 24, 48, and 72 hours after intense exercise. Most adults don’t get enough magnesium from food alone, so this is worth paying attention to. Good dietary sources include pumpkin seeds, spinach, dark chocolate, and almonds. If you supplement, magnesium glycinate or citrate are the most easily absorbed forms.
Protein intake matters too, though not in the “drink a shake within 30 minutes” way that gym culture suggests. What matters more is total daily protein, spread across meals. Aim for roughly 0.7 to 1 gram per pound of body weight if you’re training regularly. This gives your body the raw materials it needs to repair damaged fibers efficiently.
Tart cherry juice is heavily marketed for muscle recovery, but the evidence is weaker than the marketing suggests. WebMD notes there is “no good scientific evidence to support most of these uses.” Some small studies show modest benefits at doses of 240 to 480 mL daily, but the effects are inconsistent across research. It’s unlikely to hurt, but don’t expect it to be a game-changer.
Active Recovery Works Better Than Rest
Light movement on your rest days, often called active recovery, increases blood flow to sore muscles without adding more damage. This helps shuttle inflammatory waste products out and bring nutrients in. A 20-to-30-minute walk, an easy bike ride, or a light swim can noticeably reduce how stiff and sore you feel compared to sitting on the couch all day.
The key word is light. Active recovery should feel easy, around 30 to 40% of your max effort. If you’re breathing hard or straining, you’ve crossed from recovery into another workout, which will only extend the soreness.
How to Reduce Soreness Before It Starts
The single most effective way to limit DOMS is progressive overload: increasing your training volume and intensity gradually rather than in big jumps. Your muscles adapt remarkably fast to new demands. The first time you do a new exercise or significantly increase your weight, you’ll be sore. The second time you do it, the soreness will be noticeably less. By the third or fourth session, it may barely register. This adaptation is called the repeated bout effect, and it’s why experienced lifters rarely get debilitatingly sore from their regular routine.
If you’re returning to exercise after a break, start at about 50 to 60% of what you used to do and build back over two to three weeks. If you’re trying a completely new type of training, begin with fewer sets and lighter loads than you think you need. The soreness from overdoing your first session can sideline you for days, which defeats the purpose.
Warming up before your workout also helps, not through stretching, but through movement that raises your muscle temperature and increases blood flow. Five to ten minutes of light cardio or bodyweight versions of the exercises you’re about to perform prepares your muscles to handle load with less structural damage.
When Soreness Is Something More Serious
Normal DOMS feels like generalized muscle tenderness and stiffness that improves with movement and fades within three to five days. Rhabdomyolysis, a rare but serious condition where muscle fibers break down and release their contents into the bloodstream, can mimic severe soreness but carries real health risks including kidney damage.
The warning signs that set rhabdomyolysis apart from regular soreness: pain that’s far more severe than you’d expect from your workout, dark tea- or cola-colored urine, and extreme fatigue or weakness that prevents you from completing tasks you normally handle easily. Symptoms can appear hours to several days after the initial muscle injury. You can’t distinguish rhabdomyolysis from DOMS by symptoms alone. The only definitive test is a blood draw measuring creatine kinase levels. If you notice dark urine after an unusually intense workout, especially one involving a new type of exercise, get it checked promptly.