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Klean Athlete

27 products
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Klean Athlete Klean Hydration - electrolyte sports drink 358g
$35.00
$35.00
6% carbohydrate hydration drink: A carbohydrate blend of Sucrose (from cane/beet), Highly Branched Cyclic Dextrin (Cluster Dextrin), Dextrose, and Fructose supports intestinal absorption of fluid...
Klean Athlete Klean Collagen+C - collagen peptides vitamin C unflavored
from $52.00
from $52.00
Easily-absorbable collagen peptides: Supplemental collagen peptides help maintain cartilage health by promoting cartilage regeneration and offer protection for connective tissue by supporting hea...
Klean Athlete Klean Melatonin - low-dose sleep support
$23.00
$23.00
3 mg pure melatonin per 2-spray serving: A great-tasting natural raspberry lemonade-flavored liquid spray, to support the body's sleep-wake cycle in a quick-delivery, travel-ready form. Supports...
Klean Athlete Klean Zinc - 100 capsules Klean Zinc supplement facts panel
$22.00
$22.00
10 mg zinc (as zinc citrate) per chewable tablet: A bioavailable form of zinc in a natural orange flavored chewable tablet. Immune function support: Zinc supports a wide range of physiological f...
Klean Athlete Klean Sport Pack - daily nutrition packet
$93.00
$93.00
All-in-one daily nutrition packet: Multivitamin/mineral, omega-3, and magnesium supplement regimen in a convenient on-the-go single-serve packet (3 capsules, 1 softgel, 1 tablet). 240 mg Magnesi...
Klean Athlete Klean Recovery - 4:1 post-workout milk chocolate 1092g
$60.50
$60.50
4:1 carbohydrate-to-protein ratio: Formulated with the athlete's recovery in mind. Helps support glycogen re-synthesis and muscle protein synthesis immediately after a workout. All protein from ...
Klean Athlete Klean Probiotic - 15 billion CFU multi-strain 60 capsules
$46.50
$46.50
15 Billion CFU multi-strain probiotic blend: Eight clinically supported strains, including Lactobacillus acidophilus (La-14) 4.3B CFU, Lactobacillus rhamnosus (Lr-32) 4.3B CFU, Bifidobacterium la...
Klean Athlete Klean Pre-Workout - NSF Certified pre-workout powder
$50.50
$50.50
TruBeet Beet Root Extract 5 g providing 300 mg nitrates: Standardized nitrates derived from beet root extract to support enhanced athletic performance and to protect against free radicals. PurCa...
Klean Athlete Klean Omega - EPA DHA fish oil 60 softgels
$44.50
$44.50
Marine Triglyceride Concentrate 1,250 mg per softgel: Provides essential omega-3 fatty acids from clean, pure fish oil in the triglyceride form. EPA 500 mg + DHA 250 mg per softgel: Delivers eic...
Klean Athlete Klean Multivitamin - 60 capsules Klean Multivitamin supplement facts panel
$46.00
$46.00
Athlete-specific multivitamin: Formulated with the proper proportion of vitamins, minerals, and trace elements to support the demands of training and competition. Metafolin L-5-MTHF folate and a...
Klean Athlete Klean Magnesium - 90 vegetarian capsules Klean Magnesium supplement facts panel
$26.50
$26.50
120 mg magnesium as magnesium glycinate per capsule (29% DV): A chelated form that is easily soluble and directly absorbed by intestinal cells without needing further protein or chelation. Suppo...
Klean Athlete Klean Joint & Muscle - joint support muscle recovery
$42.50
$42.50
VitaCherry Whole Tart Cherry fruit 480 mg per serving: Montmorency cherry with 15 times higher anthocyanin concentration compared to standard tart cherry powders — anthocyanins traditionally asso...
Klean Athlete Klean Isolate Whey Protein Klean Athlete Klean Isolate - whey protein isolate unflavored back label
from $63.50
from $63.50
Clean whey protein isolate: Fast-absorbing whey protein isolate (from milk) that provides essential amino acids for muscle-building, including branched-chain amino acids. Four flavor options: Un...
Klean Athlete Klean Iron - 27 mg iron carbonyl 90 tablets
$19.00
$19.00
27 mg iron from Ferronyl iron carbonyl: A bioavailable, well-tolerated delivery form of elemental iron chosen for excellent bioavailability and low toxicity. Muscle strength and athletic perform...
Klean Athlete Klean Antioxidant - 90 capsules Klean Antioxidant supplement facts panel
$51.00
$51.00
Vitamin C (as PureWay-C) 125 mg per serving: Rapidly absorbed form of the antioxidant vitamin C, delivered as PureWay-C. Patented ALA + ALCAR + Biotin combination: Acetyl-L-Carnitine HCl 1,000 m...
Klean Athlete Klean Glutamine - muscle recovery immune health
$65.00
$65.00
5,000 mg L-glutamine per serving: Free-form L-glutamine, the most abundant amino acid in the body, in a single-ingredient powder. Muscle recovery, immune, and gut support: L-glutamine serves as ...
Klean Athlete Klean Essential Aminos +HMB - 275g Klean Essential Aminos +HMB supplement facts panel
$78.00
$78.00
Amino9 essential amino acid blend 3.35 g per scoop: All nine essential amino acids — L-Leucine, L-Lysine, L-Threonine, L-Isoleucine, L-Valine, L-Phenylalanine, L-Methionine, L-Histidine, L-Trypto...
Klean Athlete Klean Electrolytes - 120 vegetarian capsules Klean Electrolytes supplement facts panel
$29.00
$29.00
Complete electrolyte profile per capsule: Vitamin B-6 (as pyridoxal-5-phosphate) 7 mg, Calcium (as calcium chelate) 25 mg, Magnesium (as magnesium chelate) 25 mg, Sodium (as sodium chloride) 40 m...
Klean Athlete Klean DHA - DHA fish oil cognitive support
$55.50
$55.50
790 mg DHA + 188 mg EPA per serving: A high-DHA fish oil concentrate. Each 2-softgel serving delivers 1,200 mg of fish oil concentrate providing 790 mg DHA and 188 mg EPA — a DHA-dominant ratio u...
Klean Athlete Klean-D 5000 - 100 tablets Klean-D 5000 supplement facts panel
$17.50
$17.50
125 mcg (5,000 IU) vitamin D3 per tablet: High-potency natural cholecalciferol vitamin D3 for athletes who need targeted vitamin D support. Immune and musculoskeletal support: Vitamin D suppleme...
Klean Athlete Klean-D 1000 - vitamin D3 supplement, immune support Klean-D 1000 back label supplement facts
$14.00
$14.00
25 mcg (1,000 IU) Vitamin D3 as cholecalciferol per tablet: A moderate daily maintenance dose in a small, easy-to-swallow tablet. The same D3 form the body produces from sunlight. Support for at...
Klean Athlete Klean Creatine - 315g Klean Creatine supplement facts panel
$34.50
$34.50
5 g creatine monohydrate per scoop: Pure creatine monohydrate — no fillers, flavors, or additives. The clinically studied maintenance dose. Support for strength, power, and recovery: A vital ene...
Klean Athlete Klean Casein Natural Vanilla Custard Flavor - 614g Klean Athlete Klean Casein Natural Chocolate Flavor - 658g
$68.50
$68.50
24 g micellar casein protein per serving: Slow-digesting protein that provides a steady release of amino acids into the bloodstream, ideal for recovery and reducing muscle breakdown while sleepin...
Klean Athlete Klean Calcium - 120 capsules Klean Calcium Citrate supplement facts panel
$22.50
$22.50
300 mg calcium (as calcium citrate) per serving: Highly bioavailable calcium citrate form that supports bone health. Bone density support: Calcium is an essential foundational mineral that helps...
Klean Athlete Klean B-Complex - 60 vegetarian capsules Klean B-Complex supplement facts panel
$25.00
$25.00
Full-spectrum B-complex in one capsule: Delivers B1, B2, B3, B6, B12, biotin, pantothenic acid, choline, and inositol at potencies designed for physically active athletes. Metafolin L-5-MTHF fol...
Klean Athlete Klean BCAA + PEAK ATP - 258g Klean BCAA + PEAK ATP supplement facts panel
$62.00
$62.00
2:1:1 BCAA ratio (4 g total): Each scoop provides L-Leucine 2 g, L-Isoleucine 1 g, and L-Valine 1 g to support muscle tissue repair and recovery. PEAK ATP 400 mg: Clinically studied adenosine 5-...
Klean Athlete Klean Ashwagandha - 60 capsules Klean Ashwagandha supplement facts panel
$32.00
$32.00
500 mg Ashwagandha root extract: One capsule delivers 500 mg of Withania somnifera root extract, the traditional Ayurvedic adaptogen studied for supporting resilience during times of stress. Occ...

Klean Athlete is a line of NSF Certified for Sport® nutritional supplements, certified free from banned substances and contaminants. Designed for athletes at every level, Klean Athlete supports peak performance, daily recovery, and long-term well-being with clean, science-backed formulations manufactured in the USA by Douglas Laboratories.

Trusted by professional athletes and health-conscious individuals, every Klean Athlete product is third-party certified through the NSF Certified for Sport program, verifying content, purity, and freedom from more than 270 banned substances recognized by the USOC, NFL, MLB, PGA, LPGA, and the Canadian Centre for Ethics in Sport.