Friday, October 30, 2026 · Edition updated 6:00 AM ETFRI, OCT 30 · 6 AM ET editionNext edition in Next --:--:--

Stay strong and mobile: balance and mobility

Walking, balance, falls and frailty. What people try, how far the research on each has got, and the products that contain them.

What people try

4Balance training and preventing fallsStage 4 · Widely recommended · Free or low cost; classes and physical therapyTai chi is described as a gentle exercise with slow and graceful movements.Main risk: The main risk stressed is that falls can cause broken bones and long-term disability in older adults.4Strength trainingStage 4 · Widely recommended · Free or low cost, at home or a gymStrength training, also called resistance training, is exercise that makes muscles contract, often to lift a heavy object against gravity.Main risk: The page warns that overdoing strength exercises can cause exhaustion, sore joints, and muscle pain or injury.4ExerciseStage 4 · Widely recommended · Free, for almost everyoneExercise is anything that gets your body moving.Main risk: Using weight machines improperly can cause back injury.4Too much sittingStage 4 · Widely recommended · FreeToo much sitting means long periods of low-energy time spent sitting, reclining or lying while awake.Main risk: Adults who sit a lot are linked to higher rates of death from any cause, heart disease and cancer.3Staying socially connectedStage 3 · Large studies in people · FreeLoneliness is the distressing feeling of being alone or separated.Main risk: The CDC says loneliness and social isolation put a person at risk of serious mental and physical health conditions.3Vitamin DStage 3 · Large studies in people · Over-the-counter supplementVitamin D is a fat-soluble vitamin found in a few foods, added to others, sold as a supplement, and made by skin in sunlight.Main risk: Blood levels above 125 nmol/L (50 ng/mL) can be linked to harmful effects.3Protein supplementsStage 3 · Large studies in people · Over-the-counter supplementProtein is one of the more common ingredients in supplements sold to improve exercise and athletic performance.Main risk: The page says high protein intakes seem quite safe, but more than the recommended amounts gives no benefit.2Fitness trackers: watches, bands and ringsStage 2 · Small studies in people · Over the counterSmartwatches and fitness trackers are wrist-worn monitors that people commonly use to count their steps each day.Main risk: The pages stress that wrist-worn monitors may not count steps as accurately as hip-worn pedometers.2CreatineStage 2 · Small studies in people · Over-the-counter supplementCreatine is a compound stored in your muscles that supplies them with energy.Main risk: Creatine can cause weight gain because it tends to make the body hold water, but it is otherwise considered safe for healthy adults.

Products

Sorted by the best research stage of each product's ingredients, then by price. The stage describes research on the ingredient, not proof that the product works.

Supplements 25

Nature Made · tabletCalcium 600 mg with Vitamin D3 TabletsVitamin D, Calcium3 Ingredient research: large studies in people$8.59Nature Made · gummyMultivitamin for Men GummiesVitamin D, Vitamin B123 Ingredient research: large studies in people$9.79Nature Made · softgelVitamin D3 2000 IU (50 mcg) SoftgelsVitamin D3 Ingredient research: large studies in people$10.99Nature Made · tabletVitamin D3 2000 IU (50 mcg) TabletsVitamin D, Calcium3 Ingredient research: large studies in people$11.29Nature Made · gummyVitamin D3 2000 IU (50 mcg) GummiesVitamin D3 Ingredient research: large studies in people$11.69ProHealth Longevity · capsuleVitamin D3 + K2 - 5,000 IU, 30 capsulesVitamin D3 Ingredient research: large studies in people$16.95Nature Made · gummyZero Sugar Vitamin D3 GummiesVitamin D3 Ingredient research: large studies in people$18.99Thorne · capsuleVitamin D-5,000 - NSF Certified for Sport - 60 ServingsVitamin D3 Ingredient research: large studies in people$20Thorne · liquidVitamin D + K2 LiquidVitamin D3 Ingredient research: large studies in people$34Thorne · capsuleVitamin D-5,000 - NSF Certified for Sport - 120 ServingsVitamin D3 Ingredient research: large studies in people$39Thorne · capsuleBasic Nutrients 2/Day - NSF Certified for SportVitamin B12, Vitamin D3 Ingredient research: large studies in people$40MomentousWhey Protein Isolate - Flavor SeriesProtein supplements3 Ingredient research: large studies in people$42.99Transparent LabsGrass-Fed Whey Protein IsolateProtein supplements3 Ingredient research: large studies in people$64.99ThorneWhey Protein Isolate - VanillaProtein supplements3 Ingredient research: large studies in people$65Optimum Nutrition · powderGold Standard 100% Isolate Whey Protein powderProtein supplements3 Ingredient research: large studies in people$103.49Optimum Nutrition · powderMicronised Creatine PowderCreatine2 Ingredient research: small studies in people$14.99Optimum Nutrition · gummyCreatine [+]Creatine2 Ingredient research: small studies in people$16.99Optimum Nutrition · powderMicronized Creatine PowderCreatine2 Ingredient research: small studies in people$20.49Vital ProteinsAdvanced Collagen Peptides + Creatine - UnflavoredCollagen peptides, Creatine2 Ingredient research: small studies in people$24.99ThorneCreatine - Travel PacksCreatine2 Ingredient research: small studies in people$36MomentousCreatine - 90 ServingsCreatine2 Ingredient research: small studies in people$42.99ThorneCreatine - 90 ServingsCreatine2 Ingredient research: small studies in people$44ProHealth Longevity · powderLongevity Creatine Pure Powder - 450 gramsCreatine2 Ingredient research: small studies in people$49.95Elysium HealthCreatine+Creatine2 Ingredient research: small studies in people$70ThorneCreatine - 180 ServingsCreatine2 Ingredient research: small studies in people$84

Devices 19

Amazfit · deviceHelio StrapFitness trackers: watches, bands and rings2 This type: small studies in people$99.99Google · deviceFitbit Charge 6Fitness trackers: watches, bands and rings2 This type: small studies in people$159.95RingConnRingConn Gen 2 AirFitness trackers: watches, bands and rings2 This type: small studies in people$199AmazfitAmazfit Helio Strap ProFitness trackers: watches, bands and rings2 This type: small studies in people$199.99PolarPolar LoopFitness trackers: watches, bands and rings2 This type: small studies in people$199.99AppleApple Watch SE 3Fitness trackers: watches, bands and rings2 This type: small studies in people$229Hume Health · deviceHume Band 2.0Fitness trackers: watches, bands and rings2 This type: small studies in people$249Google · deviceGoogle Pixel Watch 4Fitness trackers: watches, bands and rings2 This type: small studies in people$249.99SamsungGalaxy RingFitness trackers: watches, bands and rings2 This type: small studies in people$299.99SamsungGalaxy Watch8Fitness trackers: watches, bands and rings2 This type: small studies in people$299.99Garminvívoactive 6Fitness trackers: watches, bands and rings2 This type: small studies in people$299.99RingConnRingConn Gen 3Fitness trackers: watches, bands and rings2 This type: small studies in people$349WhoopWHOOP MGFitness trackers: watches, bands and rings2 This type: small studies in people$359SamsungGalaxy Watch9Fitness trackers: watches, bands and rings2 This type: small studies in people$379.99Apple · deviceApple Watch Series 11Fitness trackers: watches, bands and rings2 This type: small studies in people$399OuraOura Ring 5Fitness trackers: watches, bands and rings2 This type: small studies in people$399UltrahumanUltrahuman Ring PROFitness trackers: watches, bands and rings2 This type: small studies in people$479GarminVenu® 4Fitness trackers: watches, bands and rings2 This type: small studies in people$549.99WithingsScanWatch NovaFitness trackers: watches, bands and rings2 This type: small studies in people$599.95

Recent research

See all the latest research →

What others are writing

Recent articles from health journalists, hospitals and universities. We link to them; we don't write or endorse them.

Cleveland Clinic · Jul 29, 2026

Do Fitness Trackers Really Work? ↗

Fitness trackers: watches, bands and rings: The article says few fitness trackers have been validated, with step count and heart rate the most accurate metrics.

health.harvard.edu · Maureen Salamon · Jul 16, 2026

Strength training over decades linked to longer life ↗

Strength training: Strength training for up to two hours weekly over decades is linked to lower risk of dying from heart disease and neurological diseases.

hsph.harvard.edu · Karen Feldscher · Jun 9, 2026

Moderate amount of strength training each week could boost longevity ↗

Strength training: A Harvard Chan study links 90 to 120 minutes of weekly strength training with a lower risk of early death.

Scientific American · Jackie Flynn Mogensen · Jun 9, 2026

Resistance training may boost longevity. But how much do you need? ↗

Strength training: The article says regular strength training may extend lifespan, and asks how much of it is needed for those benefits.

This is general information gathered from the sources listed, not medical advice. Talk to your doctor before starting anything new.