Muscle cramps and muscle loss
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Bottom line
For muscle cramps and muscle loss, start with Magnesium, Protein supplement, Vitamin B complex. The first one to look at is Magnesium — 200 mg for maintenance, 300–400 mg if you have signs of low magnesium (as elemental magnesium); After meals. For nighttime cramps, after dinner. If you take 2+ capsules, split them up.
Supplements ranked for this concern
AWell researchedBSome evidenceCLimited evidence
| # | Supplement | Evidence | When | How much | Caution | |
|---|---|---|---|---|---|---|
| 1 | MagnesiumMatches your checks Helps muscles relax when they over-contract. It's the first mineral to reach for with cramps, eye twitching or tight shoulders. |
B | After meals. For nighttime cramps, after dinner. If you take 2+ capsules, split them up. | 200 mg for maintenance, 300–400 mg if you have signs of low magnesium (as elemental magnesium) | Cut back if you get diarrhea or stomach pain. If you have kidney disease, talk to your doctor first. | Compare products |
| 2 | Protein supplementMatches your checks From age 50, muscle drops by 1–2% a year. Filling the protein gap your meals leave may help protect your muscle. |
A | Total amount matters more than timing. Within 2 hours after a workout or in the morning, split into 2 servings. | 0.8–1.5 g of total protein per kg of body weight, with 20–30 g a day of that from supplements | Avoid very high amounts long term. If you have kidney or liver disease or gout, talk to your doctor. | Compare products |
| 3 | Vitamin B complexMatches your checks High-dose B12 (methylcobalamin) and B1 may ease muscle fatigue and aches. Often paired with magnesium for tight shoulders. |
B | After breakfast or lunch. At night it can disturb sleep. | 1 B complex tablet, plus 500–1,500 mcg B12 for tight shoulders and muscle aches (keep total B6 at 100 mg or less) | If you get heartburn, take it right after a meal. Check labels so B6 doesn't double up with your multivitamin. | Compare products |
| 4 | CreatineMatches your checks Recognized for improving strength-training performance, with many human studies on strength. |
A | Same time every day, before or after a workout | 5 g a day | Water stored in muscle may add about 1 kg (2 lb) of body weight. Don't take it if you have kidney disease. | Compare products |
| 5 | Essential amino acids (EAAs)Matches your checks The building blocks of muscle. A good fit for people over 50 whose digestion has slowed and who have trouble eating meat or protein. |
B | Before a workout, or whenever is convenient, with or without food | 1 scoop of powder (about 4 g EAAs) 1–2 times a day, or 2 tablets 2–3 times a day | If you have kidney or liver disease, talk to your doctor first. | Details |
| 6 | MSM (methylsulfonylmethane)Matches your checks The anti-inflammatory action of sulfur may help ease shoulder and upper-back (trapezius) pain and muscle damage after exercise. |
B | After breakfast or lunch. At night it can disturb sleep. | Start at 500 mg–1 g and work up to 2–3 g a day | If your liver enzymes are high or you take a blood thinner, talk to your doctor. | Details |
| 7 | DiosminMatches your checks Supports vein circulation in the legs. Used with magnesium when calf cramps come with pain and swelling. |
C | Split between morning and evening (once a day for 600 mg single-tablet products) | 600 mg a day | If swelling or pain is much worse in one leg only, see a doctor before trying supplements. | Details |
| 8 | L-ArginineMatches your checks Increases blood flow. Many people take it before workouts to support performance, recovery and muscle building. |
C | Before a workout or between meals on an empty stomach, during the day rather than at night | 1 g for maintenance, 2–3 g with heavy training or fatigue (at 3 g+, take it for 1–2 months, then take a break) | If you have low blood pressure or take blood pressure medicine or erectile dysfunction drugs, talk to your doctor. | Details |
Medications to watch out for
If you take any medication, talk to your doctor or pharmacist before starting.
Being treated for kidney diseaseMagnesium · Creatine · Protein · Essential amino acidsThey may build up or strain the kidneys. Talk to your doctor before taking them.
Blood pressure medicineMagnesium · L-ArginineMay lower blood pressure further and make you dizzy.
Erectile dysfunction drugs such as sildenafil (Viagra)L-ArginineBoth widen blood vessels, so your blood pressure may drop too low. Don't take them together.
Blood thinners such as warfarin (Coumadin) and aspirinL-Arginine · MSMMay affect bleeding. Talk to your doctor.
Being treated for liver diseaseProtein · Essential amino acids · MSMMay strain the liver or raise liver enzymes. Talk to your doctor.
Before supplements: daily habits
- 01Supplements alone won't build muscle. Add strength training 2–3 times a week.
- 02Don't load all your protein into one meal. Spread it across three meals.
- 03Coffee and alcohol drain magnesium. If you cramp often, cut back on them first.
- 04Stretching your calves before bed may help reduce nighttime leg cramps.
- 05Drink plenty of water during and after exercise to avoid cramps from dehydration.
Product comparison
| Product | Form | Per serving | Count | Cost per day | |
|---|---|---|---|---|---|
| Magnesium Citrate 200 mg TabletsBest value NOW Foods |
Citrate | 400 mg | 250 | Low | Amazon → |
| Magnesium Bisglycinate Powder (Albion)Best value NOW Foods |
Bisglycinate powder (Albion) | 250 mg | 91 | Low | Amazon → |
| Magnesium Citrate Pure PowderBest value NOW Foods |
Citrate powder | 435 mg | 76 | Low | Amazon → |
| Natural CALM Magnesium Powder (Raspberry Lemon)Best value Natural Vitality |
Citrate (magnesium carbonate + citric acid, forms when mixed with water) | 325 mg | 100 | Low | Amazon → |
| Magnesium (Citrate) 100 mg Life Extension |
Citrate | 200 mg | 100 | Low | Amazon → |
| High Absorption Magnesium (Glycinate Lysinate Chelate) Doctor's Best |
Glycinate/lysinate chelate (Albion) | 200 mg | 240 | Low | Amazon → |
| Magnesium Citrate Veg Capsules NOW Foods |
Citrate | 400 mg | 240 | Low | Amazon → |
| Magnesium Glycinate 100 mg (Albion) NOW Foods |
Bisglycinate chelate (Albion) | 200 mg | 180 | Average | Amazon → |
Compare all Magnesium products →
| Product | Form | Per serving | Count | Cost per day | |
|---|---|---|---|---|---|
| ISO100 Hydrolyzed 100% Whey Protein Isolate, Gourmet Vanilla (20 servings)Best value Dymatize |
Hydrolyzed whey isolate + whey isolate (WPI) powder, vanilla | 1 scoop (30 g): protein 25 g | 20 | Average | Amazon → |
| Gold Standard 100% Whey, Double Rich Chocolate, 2 lb Optimum Nutrition |
Mostly whey isolate (WPI) + concentrate and whey peptides powder, chocolate | 1 scoop (30.4 g): protein 24 g | 29 | Average | Amazon → |
| Isopure Zero Carb Whey Isolate Protein Powder, Unflavored 1 lb Isopure |
Unflavored whey isolate (WPI) powder | 1 scoop (29 g): protein 25 g | 16 | High | Amazon → |
| Isopure Clear Whey Isolate Protein Powder, Citrus Lemonade 1.9 lb Isopure |
Clear whey isolate (WPI) drink powder, lemonade | 1 scoop (25 g): protein 20 g | 36 | High | Amazon → |
Compare all Protein supplement products →
| Product | Form | Per serving | Count | Cost per day | |
|---|---|---|---|---|---|
| Vitamin B12 (Methylcobalamin) 2000 mcgBest value Nutricost |
Methylcobalamin (active) capsule | 1 capsule: B12 2,000 mcg | 240 | Low | Amazon → |
| Methyl B-12 1000 mcg Lozenges NOW Foods |
Methylcobalamin (active), dissolvable lozenge | 1 lozenge: B12 1,000 mcg (label 1–2) | 100 | Low | Amazon → |
| High Potency Vitamin B Complex 462mg Nutricost |
Regular B vitamins + methyl B12 | 1 capsule: B1 60, B2 75, B6 50 mg, B12 1,000 mcg | 120 | Low | Amazon → |
| Super B Vitamin B Complex Sustained Release Bronson |
Regular B vitamins, time-release tablet | 1 tablet: B1, B2, B6 50 mg each | 60 | Average | Amazon → |
| Coenzyme B-Complex with Methylfolate and B12 Country Life |
Coenzyme (active) B1, B2, B6 + methyl and adenosyl B12 | 1 capsule: B1, B2, B6 25 mg each, B12 250 mcg (label 1–2 capsules) | 240 | Average | Amazon → |
| Active B-Complex with Methylfolate Integrative Therapeutics |
Active B2, B6, folate (Quatrefolic), B12 (methyl) | 1 capsule: B1, B2, B6 25 mg each, B12 500 mcg (label 1–2 capsules) | 60 | Average | Amazon → |
| B-Complex Plus Pure Encapsulations |
Active B2, B6, folate (Metafolin), B12 (methyl) | 1 capsule: B1 100, B2 12.7, B6 16.7 mg (label 1–2 capsules) | 120 | High | Amazon → |
| High Strength Super B-Complex (Methylated & Active) Igennus |
Active B2, B6, folate (5-MTHF), B12 (methyl), time-release tablet | 2 tablets: B1 40, B2 28, B6 40 mg, B12 1,800 mcg | 180 | High | Amazon → |
Compare all Vitamin B complex products →
| Product | Form | Per serving | Count | Cost per day | |
|---|---|---|---|---|---|
| Creatine Monohydrate Powder (Micronized), 1kgBest value BulkSupplements.com |
Micronized creatine monohydrate, unflavored powder | 5 g per serving (about 2 teaspoons) | 200 | Low | Amazon → |
| Creatine Monohydrate Powder, 2.2 lbs NOW Sports |
Creatine monohydrate, unflavored powder | 1.5 teaspoons: creatine 5 g | 200 | Low | Amazon → |
| Micronized Creatine Monohydrate Powder, Unflavored, 500g Nutricost |
Micronized creatine monohydrate, unflavored powder | 1 scoop: creatine 5 g | 100 | Low | Amazon → |
| Naked Creatine (Micronized Creatine Monohydrate), 500g Naked Nutrition |
Creatine monohydrate, unflavored powder | Creatine 5 g per serving | 100 | Low | Amazon → |
| Creatine Monohydrate 5000 mg, Unflavored, 425g Jacked Factory |
Creatine monohydrate, unflavored powder | 1 scoop: creatine 5 g | 85 | Average | Amazon → |
| Micronized Creatine Powder, Unflavored (Creapure) Optimum Nutrition |
Micronized creatine monohydrate (Creapure), unflavored powder | 1 scoop (5.25 g): creatine 5 g | 114 | Average | Amazon → |
| COR-Performance Creatine, Unflavored (72 Servings) Cellucor |
Micronized creatine monohydrate, unflavored powder | 1 scoop: creatine 5 g | 72 | Average | Amazon → |
| Platinum 100% Creatine, Unflavored (80 Servings) MuscleTech |
Micronized creatine monohydrate, unflavored powder | 1 scoop: creatine 5 g | 80 | Average | Amazon → |
Compare all Creatine products →
Cost per day is relative — compared with other products of the same supplement. Check Amazon for the current price. Some links are affiliate links.