In this article
The supplement industry loves making promises. You've got sh*t to do, and honestly, so do we. That's why we're cutting through the noise and showing you exactly which recovery supplements have real evidence behind them, which ones might help, and which ones are mostly expensive pee. No marketing fluff. Just the research, with the papers linked at the bottom.
Whether you're hitting the gym, running marathons, or just trying to feel less like you've been hit by a truck the day after leg day, muscle recovery is where the adaptation happens. But here's the thing: supplements aren't a substitute for actually putting in the work. They're the supporting cast, not the main character.
So let's talk about what your body actually needs to bounce back, and which supplements genuinely support that process.
Why Your Body Needs Help Recovering After Exercise
When you exercise, you're not actually building muscle during the workout. You're creating micro-damage to muscle fibres. It sounds counterintuitive, but this controlled damage is how your body adapts and gets stronger.
During and after exercise, a few key things happen in your body:
- Micro-damage to muscle fibres: Muscle protein breaks down as your muscles work, and is rebuilt afterwards from the amino acids in the protein you eat.
- Inflammation: Your immune system responds to exercise with inflammation (the useful kind). This drives adaptation but also causes the soreness you feel a day or two later.
- Glycogen depletion: Your muscles burn through stored carbohydrate for fuel. Eating carbs afterwards tops it back up.
- Sweat losses: You lose water and salt, mostly sodium, in sweat. Plain water replaces the fluid; a drink with some sodium in it is held on to better.
- Oxidative stress: Exercise produces free radicals, and your antioxidant defences respond. This is a normal part of adapting, not something to be switched off.
This is where sensible supplementation comes in. Your body has built-in recovery systems, but if you're training hard or often, a few well-evidenced nutrients can help you cover your needs.
The catch? You have to get the basics right first: proper sleep, enough calories, and real food. Supplements fill gaps in what's already working; they don't replace it.
The Supplements With Good Evidence
Protein (Whey, Plant-Based, and Everything In Between)
The Short Version: Protein is the non-negotiable. Protein contributes to a growth in muscle mass and to the maintenance of muscle mass, and a 2018 meta-analysis of 49 trials found protein supplementation adds to the strength and muscle gains of resistance training.
Let's be real: you've heard about protein a million times, and that's because it actually works. When you train, you create damage. To repair it and build new muscle, your body needs amino acids, the building blocks that protein breaks down into.
How much and when? The International Society of Sports Nutrition's position stand suggests about 20–40 g of good-quality protein per serving (roughly 0.25 g per kilogram of body weight), spread across the day every three to four hours, with a total of 1.4–2.0 g per kilogram of body weight a day for people who train regularly. The 2018 meta-analysis found that going beyond about 1.6 g/kg/day added nothing further to muscle gains. The old idea of a narrow "anabolic window" is overstated: the same position stand notes the muscle-building effect of a workout lasts at least 24 hours, so getting protein in around your session matters more than hitting a stopwatch.
Whey vs. plant-based: Whey is popular because it contains all the essential amino acids and digests quickly. Plant proteins work too; blends of different plant sources give a fuller amino acid profile than any single one, and you may need a slightly bigger serving to match whey's leucine content. Consistency matters more than the source.
Bottom line: If you only take one supplement, make it protein. Everything else is a bonus.
Creatine Monohydrate
The Short Version: One of the most studied supplements there is. Creatine increases physical performance in successive bursts of short-term, high-intensity exercise (that's the authorised claim, at 3 g a day). It's not a steroid, it's not magic, and it's not going to make you huge overnight.
Creatine gets a weird reputation because people assume it's some extreme performance drug. It isn't. It's a compound your body already makes, and it helps your muscles regenerate energy during short, intense efforts.
How it helps: Creatine supports the rapid resynthesis of ATP, the energy currency your muscles use for sprints and heavy sets. More energy available means better training quality, which over weeks adds up to more strength and muscle. The International Society of Sports Nutrition's 2017 position stand concludes it improves high-intensity exercise performance and may help athletes tolerate heavy training loads, and notes research suggesting it may enhance post-exercise recovery.
How much? The authorised claim is based on 3 g a day, and the ISSN's guidance is 3–5 g daily. A "loading phase" of higher doses for the first week fills muscle stores faster but isn't necessary; a steady 3–5 g a day gets you to the same place over a few weeks.
What about water retention? You may gain a little water weight in your muscles at first. That's normal and not fat.
Bottom line: Well-researched and cheap. If you lift or sprint, this is a legitimate addition.
Electrolytes, Especially Sodium
The Short Version: After a sweaty session, water alone doesn't rehydrate you as well as water with some sodium in it. That's a classic finding, not marketing.
This is where a lot of people quietly let their recovery down. You finish training, you're knackered, you drink a litre of plain water, and a lot of it goes straight through you.
What the research shows: In a controlled study at Aberdeen, people who were dehydrated by exercise and then drank a volume of fluid greater than their sweat loss only stayed rehydrated if the drink contained enough sodium; with a low-sodium drink, the extra fluid mostly came out as urine. Sodium is the main electrolyte in sweat, and it's the one that helps you hold on to what you drink.
What to do: After a hard or hot session, drink a bit more than you think you lost, and make sure some sodium comes with it, either from food (a salted meal does the job) or from a drink that states its sodium content. Glucose, sodium and citric acid help in the replacement of lost water and body salt, and magnesium contributes to normal electrolyte balance. For the full method, see how to rehydrate after exercise.
Bottom line: Rehydrate with sodium, not just water. Your next session will thank you.
Magnesium
The Short Version: Magnesium contributes to normal muscle function, normal functioning of the nervous system, electrolyte balance and the reduction of tiredness and fatigue. If your diet is short of it, a modest supplement helps you reach the recommended intake.
Magnesium is involved in hundreds of processes in the body, including the ones that let a muscle contract and then relax, and it's lost in sweat. According to the NHS, adults need about 300 mg a day for men and 270 mg a day for women, from foods like nuts, wholegrains, pulses and leafy greens.
What it does and doesn't do: The claims above are the ones backed by the GB Nutrition and Health Claims Register. You'll also read that magnesium "reduces soreness" or "improves sleep"; the evidence that extra magnesium does either in people who already get enough is thin, so we don't claim it.
How much? Aim for the NHS intake from food first. If you supplement, the NHS says having 400 mg or less a day of magnesium from supplements is unlikely to cause any harm; above that, loose stools are the usual complaint. Different forms (oxide, citrate, glycinate) are all used; take whichever you tolerate.
Bottom line: Cheap, sensible, and genuinely useful if your diet is short of it.
Vitamin D
The Short Version: Vitamin D contributes to the maintenance of normal muscle function and to the normal function of the immune system. In the UK, the NHS advises everyone to consider a daily 10 µg supplement through autumn and winter.
Your skin makes vitamin D from sunlight, and between October and March in the UK the sun isn't strong enough for that. That's why the NHS says everyone should consider a daily supplement of 10 micrograms (400 IU) during autumn and winter, and that people at high risk of not getting enough (for example, if you're rarely outdoors) should consider one all year.
How much? The NHS figure is 10 µg a day. Don't take more than 100 µg (4,000 IU) a day, as it could be harmful. Heroic doses aren't better; they're just riskier.
Bottom line: If you train through a British winter, a 10 µg vitamin D tablet is one of the cheapest sensible habits you can have.
Supplements With Promising but Mixed Evidence
Tart Cherry
The Short Version: The best-evidenced of the "anti-soreness" supplements. A 2021 meta-analysis of 14 studies found small reductions in soreness and moderate improvements in how quickly strength and power came back.
Tart (Montmorency) cherry is one of the few recovery supplements with a decent body of research specifically on soreness after hard exercise. Its deep colour comes from anthocyanins, plant pigments that are being studied for their effects on inflammation.
What the research shows: A 2021 systematic review and meta-analysis pooled 14 trials and found tart cherry supplementation had a small effect on muscle soreness, a moderate effect on recovery of strength and power, and small reductions in two inflammatory markers. Effects on creatine kinase (a marker of muscle damage) weren't significant. The trials in the review generally gave cherry concentrate or juice daily for several days around the exercise bout rather than as a single dose.
How much? There's no official UK guidance. Follow the product's label; the trials gave concentrate or juice daily for several days around the event.
Bottom line: Not essential, but if you're doing heavy eccentric work (downhill running, big leg days) and want to take the edge off the soreness, it has better evidence than most.
Curcumin (From Turmeric)
The Short Version: Two recent meta-analyses found curcumin supplements reduced post-exercise soreness and creatine kinase, but the trials are small and the authors call for bigger, better studies.
Curcumin is the active compound in turmeric. Raw turmeric contains relatively little of it, so research uses concentrated extracts, often combined with piperine (black pepper extract), which improves absorption.
What the research shows: A 2020 meta-analysis of randomised trials found curcumin supplementation reduced creatine kinase and muscle soreness scores after exercise. A 2022 dose-response meta-analysis of ten trials found the same, plus small improvements in strength and range of motion. Both reviews describe the evidence as inconsistent in places and ask for larger, better-designed trials before firm conclusions.
How much? No official UK guidance exists. Follow the label on a standardised extract. If you take any medication, check with a pharmacist before adding curcumin, as it is a concentrated botanical.
Bottom line: Promising, not proven. Worth a try if soreness is your main problem, with realistic expectations.
Omega-3 Fats (Fish Oil or Algae)
The Short Version: Backed for heart function, honestly mixed for soreness. One meta-analysis found the soreness reduction too small to matter; a 2026 one found a meaningful effect but couldn't say what dose.
Omega-3s (EPA and DHA) are the fats that make oily fish worth eating: EPA and DHA contribute to the normal function of the heart, and the NHS recommends at least two portions of fish a week, one of them oily.
What the research shows for recovery: It's split. A 2020 meta-analysis of 12 randomised trials found omega-3 supplements reduced soreness after eccentric exercise, but by less than the amount people can actually feel, and graded the evidence low quality. A 2026 meta-analysis of nine placebo-controlled trials found a larger effect on soreness, creatine kinase and strength, but described the wider literature as equivocal and couldn't recommend a dose.
How much? Start with the NHS advice: two portions of fish a week, including one oily. If you supplement, the heart claim is based on 250 mg of EPA and DHA a day, and the register's conditions say not to exceed 5 g a day of supplemental EPA and DHA combined.
Bottom line: Take it for your heart and your diet, not as a soreness fix.
What Probably Isn't Worth Your Money (Yet)
Not all supplements are created equal. Here's what the evidence says about three heavily marketed ones.
BCAAs (Branched-Chain Amino Acids)
BCAAs (leucine, isoleucine and valine) are three of the amino acids your muscles use. Sounds good, right? The problem: muscle is built from all nine essential amino acids, and a 2017 review in the Journal of the International Society of Sports Nutrition concluded that the claim that BCAAs on their own stimulate muscle protein synthesis in humans is unwarranted. If you're eating enough protein, you're already getting plenty of BCAAs.
The honest take: Spend the money on protein instead.
Glutamine
Glutamine is heavily marketed for recovery, but your body makes it, and a six-week double-blind trial of glutamine supplementation alongside resistance training found no effect on strength, lean mass or muscle protein breakdown compared with placebo.
The honest take: Not harmful, but there's no good evidence it improves recovery if you're eating adequate protein.
HMB (Beta-Hydroxy Beta-Methylbutyrate)
HMB is a breakdown product of leucine. The International Society of Sports Nutrition's 2013 position stand is positive, concluding it can reduce exercise-induced muscle damage and support strength gains, at around 38 mg per kilogram of body weight a day taken close to training. That said, it's expensive, the position stand itself notes that research on the newer free-acid form is in its infancy, and nobody has shown it adds much on top of an adequate protein intake.
The honest take: Reasonable evidence, poor value. Protein and creatine first.
The Recovery Stack: Putting It All Together
You don't need to take ten different pills to recover properly. Here's how to layer the well-evidenced options around your training, anchored to the NHS and register figures above:
| Timing | What | Amount | Why |
|---|---|---|---|
| Daily (autumn and winter) | Vitamin D | 10 µg (400 IU); never more than 100 µg | Contributes to the maintenance of normal muscle function and normal immune function (NHS advice) |
| Daily, any time | Creatine monohydrate | 3 g (the authorised-claim dose); ISSN says 3–5 g | Increases physical performance in successive bursts of short-term, high-intensity exercise |
| Around your session | Protein, carbs, and a drink with sodium | 20–40 g protein; a carb source; fluid slightly over what you lost, with sodium | Protein contributes to a growth in muscle mass; carbs refill glycogen; sodium helps you hold on to the fluid |
| Across the day | Protein from meals | 1.4–2.0 g/kg/day total (ISSN); gains plateau around 1.6 g/kg | Spread every 3–4 hours; most people can get here with food |
| Daily, if your diet is short | Magnesium | Up to 400 mg from supplements (NHS); diet target 300 mg men / 270 mg women | Contributes to normal muscle function, electrolyte balance and the reduction of tiredness and fatigue |
| Optional, around hard sessions | Tart cherry, curcumin | Per the product label (no official UK dose) | Promising evidence for soreness; not essential |
Covers the hydration and mineral side in one sachet
Humans Against is a vegan food supplement with 24 active ingredients — including electrolytes, with glucose, sodium and citric acid that help replace lost water and body salt, plus 200 mg of magnesium, which contributes to normal muscle function and normal electrolyte balance, and vitamin C and B vitamins, which contribute to normal energy-yielding metabolism and the reduction of tiredness and fatigue. Each sachet also contains 100 mg of caffeine, which may enhance exercise performance; the maximum recommended caffeine intake is 400 mg a day from all sources. It is not a protein or creatine source, so pair it with those. Pharmacist-formulated and made in the UK in MHRA-approved facilities. See the science.
Shop Recovery SachetsThe key principle: Consistency matters more than perfection. If you can't stick to a complex stack, a good post-workout meal or drink (protein + carbs + something salty) plus a daily vitamin D in winter will cover most bases.
Quality matters: Buy from reputable brands. Look for third-party testing (Informed Sport, NSF or similar) so you're actually getting what's on the label. Cheap supplements that don't deliver aren't saving you money.
Recovery Beyond Supplements
Here's where we have to be honest: supplements aren't magic. They fill gaps in what you're already doing; they don't replace it. If your fundamentals are broken, no supplement fixes that. Our post-workout recovery guide goes deeper on all of this.
Sleep
Sleep is where a lot of recovery happens: growth hormone release, tissue repair and the consolidation of training adaptations all run overnight. Get consistently short sleep and no supplement compensates.
Nutrition
You can't build muscle without eating enough. Protein, carbs and fats all matter. Supplements add to nutrition; they don't replace it. Whole foods first, supplements second.
Hydration
Drink enough through the day, not just after training. A simple check: pale urine means you're well hydrated.
Rest Days
You don't adapt during training; you adapt during recovery. Training breaks you down; rest builds you back up. For most people, two full rest days a week (or active recovery like walking) is reasonable.
The hierarchy: Sleep → Nutrition → Hydration → Training → Supplements. Get the top four right and supplements genuinely help. Skip the top four and supplements are just expensive water.
Frequently Asked Questions
Do I need to take all these supplements?
No. Start with the essentials: enough protein (from food where you can), consistent sleep, and a drink with some sodium after sweaty sessions. Add a 10 µg vitamin D through autumn and winter, as the NHS advises. Add creatine if you lift or sprint. Everything else is optional. Sleep and food matter more than supplement volume.
Can I take all these supplements together?
Protein, creatine, magnesium, electrolytes and vitamin D are commonly used together by people who train, and spacing them out (morning, around training, evening) makes a routine easier to stick to. Stay within the NHS limits for magnesium and vitamin D. If you take any medication or have a health condition, check with a pharmacist first, particularly before adding concentrated botanicals like curcumin.
How long until I notice recovery improvements?
Rehydrating with sodium works within hours. Creatine takes about a week to fill muscle stores with a loading phase, or a few weeks at 3–5 g a day. Protein's benefits show up as better training results over weeks and months rather than as a feeling. Give any supplement at least four weeks before deciding whether it's doing anything.
Are plant-based protein alternatives as good as whey?
They work. You may need a slightly larger serving to match whey's leucine content, and blends of different plant sources (pea, rice, hemp, soy) give a fuller amino acid profile than a single source. Choose a reputable brand and get your total daily protein right; that matters more than the source.
Do supplements work without proper training?
No. Supplements support the effects of training; they don't replace them. You need the stimulus for your body to use the support. Training without supplements can work fine. Supplements without training just make you pricier.
Is it safe to take creatine long-term?
The International Society of Sports Nutrition's 2017 position stand concludes that short- and long-term creatine supplementation, up to five years in studies, is safe and well tolerated in healthy people. If you have kidney disease or any long-term condition, talk to your GP before starting.
References
- Morton RW, Murphy KT, McKellar SR, et al. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. British Journal of Sports Medicine. 2018;52(6):376–384. doi:10.1136/bjsports-2017-097608
- Jäger R, Kerksick CM, Campbell BI, et al. International Society of Sports Nutrition Position Stand: protein and exercise. Journal of the International Society of Sports Nutrition. 2017;14:20. doi:10.1186/s12970-017-0177-8
- Kreider RB, Kalman DS, Antonio J, et al. International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. Journal of the International Society of Sports Nutrition. 2017;14:18. doi:10.1186/s12970-017-0173-z
- Shirreffs SM, Taylor AJ, Leiper JB, Maughan RJ. Post-exercise rehydration in man: effects of volume consumed and drink sodium content. Medicine & Science in Sports & Exercise. 1996;28(10):1260–1271. doi:10.1097/00005768-199610000-00009
- Hill JA, Keane KM, Quinlan R, Howatson G. Tart cherry supplementation and recovery from strenuous exercise: a systematic review and meta-analysis. International Journal of Sport Nutrition and Exercise Metabolism. 2021;31(2):154–167. doi:10.1123/ijsnem.2020-0145
- Fang W, Nasir Y. The effect of curcumin supplementation on recovery following exercise-induced muscle damage and delayed-onset muscle soreness: a systematic review and meta-analysis of randomized controlled trials. Phytotherapy Research. 2021;35(4):1768–1781. doi:10.1002/ptr.6912
- Beba M, Mohammadi H, Clark CCT, Djafarian K. The effect of curcumin supplementation on delayed-onset muscle soreness, inflammation, muscle strength, and joint flexibility: a systematic review and dose-response meta-analysis of randomized controlled trials. Phytotherapy Research. 2022;36(7):2767–2778. doi:10.1002/ptr.7477
- Lv ZT, Zhang JM, Zhu WT. Omega-3 polyunsaturated fatty acid supplementation for reducing muscle soreness after eccentric exercise: a systematic review and meta-analysis of randomized controlled trials. BioMed Research International. 2020;2020:8062017. doi:10.1155/2020/8062017
- Yaghoobi E, Pashaei F, Allsopp GL, et al. Effects of LC n-3 PUFA supplementation on muscle pain, function, and damage markers in healthy young to middle-aged adults following acute or chronic exercise: a systematic review and meta-analysis of randomized controlled trials. Nutrients. 2026;18(9):1447. doi:10.3390/nu18091447
- Wolfe RR. Branched-chain amino acids and muscle protein synthesis in humans: myth or reality? Journal of the International Society of Sports Nutrition. 2017;14:30. doi:10.1186/s12970-017-0184-9
- Candow DG, Chilibeck PD, Burke DG, Davison KS, Smith-Palmer T. Effect of glutamine supplementation combined with resistance training in young adults. European Journal of Applied Physiology. 2001;86(2):142–149. doi:10.1007/s00421-001-0523-y
- Wilson JM, Fitschen PJ, Campbell B, et al. International Society of Sports Nutrition Position Stand: beta-hydroxy-beta-methylbutyrate (HMB). Journal of the International Society of Sports Nutrition. 2013;10:6. doi:10.1186/1550-2783-10-6
- NHS. Vitamin D. nhs.uk/conditions/vitamins-and-minerals/vitamin-d
- NHS. Others: vitamins and minerals (magnesium). nhs.uk/conditions/vitamins-and-minerals/others
- NHS. Fish and shellfish. nhs.uk/live-well/eat-well/food-types/fish-and-shellfish-nutrition
- Department of Health and Social Care. Great Britain nutrition and health claims (NHC) register, 19 May 2026 edition. gov.uk
The Bottom Line
Recovery supplements can help, but they're not the main event. The real work happens when you're sleeping, eating real food, training hard, and giving your body time to adapt.
Your recovery priority list:
- Prioritise sleep (7–9 hours)
- Eat enough protein and calories: protein contributes to a growth in muscle mass
- Rehydrate after sweaty sessions with fluid and some sodium, not just water
- Take rest days
- Add supplements that fill your specific gaps: vitamin D through the winter, creatine if you lift or sprint, magnesium if your diet is short, tart cherry or curcumin if soreness is your main complaint
You've got sh*t to do. The right recovery approach, with sensible supplementation on top, means you actually have the energy to do it. Train smart, recover smarter, and build the durability to sustain it.
