Workout & Fitness Supplements
113 products
Shop fitness and sports supplements for energy, endurance, strength, recovery, and hydration, including protein powders, creatine, electrolytes, magnesium, and more. Browse supplements for everyday exercise from Thorne, Ancient Nutrition, Klean Athlete, Trace Minerals and other brands to find the products that match your goals.
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Workout Supplements by Goal
The right workout supplements depend on what your training demands. Browse these supplements for exercise by goal.
Pre-Workout & Training Energy. For days when you want support before or during a workout, look at electrolyte and energy supplements, BCAAs with Peak ATP, and cordyceps supplements.
Endurance & Stamina. Longer sessions call for a different approach. This collection includes CoQ10 from Thorne and XYMOGEN, alongside cordyceps.
Strength & Muscle Gain. Creatine has the most research behind it for strength training, so it is the usual first choice. Essential amino acid (EAA) products with added HMB are a common addition.
Muscle Recovery. Recovery depends largely on protein intake after training. Whey protein is typically taken shortly after a session, while casein digests more slowly and is often used in the evening. L-glutamine is also available.
Hydration. Choose electrolytes in various forms: a powder to mix into a bottle, capsules to take on the go, or concentrated drops to add to water.
Essential Sports Supplements
Creatine
Creatine is one of the most studied sports supplements. It supports performance in short, hard efforts like heavy sets and sprints. Every creatine in this category contains 5 g per serving. Standalone creatine is available from Thorne, Klean Athlete, Pure Encapsulations and XYMOGEN. Trace Minerals Hydro Pak and Ancient Nutrition Creatine + Collagen + Electrolytes combine creatine with electrolytes.
Protein
When meals don’t meet your daily protein needs, protein powder can be a practical solution. Whey isolate is a filtered form of whey protein that has most of the lactose and fat removed. Casein proteins digest more slowly than other proteins and are often taken before bedtime. For those who avoid dairy, protein supplements from pea and other plant sources are available. The complete selection is available on the Proteins page.
Electrolytes
When you sweat, you lose sodium, potassium and magnesium along with water. For long sessions, plain water doesn’t replace those. Powders like Thorne Daily Electrolytes or Trace Minerals Power Pak go straight into a bottle. Concentrates like 40,000 Volts or BodyBio e-lyte are measured in drops, which makes it easy to adjust the strength. Klean Electrolytes come as capsules, so they’re handy if you don’t like flavored drinks.
Magnesium
For training, choose magnesium by its form first and the brand second. Glycinate is the usual choice for daily use because it is the least likely to upset the stomach. Thorne, Pure Encapsulations and Nordic Naturals all offer this form. Citrate, used in Thorne Magnesium CitraMate, can have a laxative effect at higher doses, so it is best to start with one capsule a day. Trace Minerals Mega-Mag is a liquid, and you can add a few drops to the same water bottle as your electrolytes during a long session. XYMOGEN OptiMag 125 combines several chelated forms in one capsule.
Amino Acids
BCAAs are three of the nine essential amino acids: leucine, isoleucine and valine. EAAs include all nine. Klean BCAA + Peak ATP covers the first group. Klean Essential Aminos + HMB covers all nine and adds HMB, a compound your body makes from leucine.
Before, During and After a Workout
Timing matters less than taking something every day, but a simple routine helps:
- Before: an energy or cordyceps product 20–30 minutes out. You can take creatine at any time of day.
- During: electrolytes, if the session runs longer than an hour or you sweat heavily.
- After: whey or plant protein, or EAAs if you’d rather not have a full shake. Casein works later in the evening.
