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    Registering is simple!

    Just head over to our sign up page to join our Klean Athlete community for everyday nutrition tips, gym tricks, and access to the best sports nutrition products out there.

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    All Klean Athlete stock depends upon availability. We want you to be able to order and receive the products you love effortlessly, so we’ll always aim to let you know if an item is out of stock.

    Now and again there can be an unexpected delay, if so we’ll get in touch to let you know.

    We’ll never stand in the way of you and your products so we make it easy to order online, we’ll even hold items in the basket for 60 minutes for you should you temporarily leave our page!

    Find the products you want and add them to the basket. You can either carry on shopping or checkout if you’ve got everything you need.

    If you have any addresses or payment options saved to your account then these will automatically display in the checkout, making it quick and easy to complete the order. Otherwise you’ll need to enter the details manually.

    Check everything is correct and you’re good to go! We’ll send you an email as soon as the order is on its way.

    Absolutely! Click on the basket icon at the top of the page and you’ll be able to see the item(s) you have in there so far.

    Use the + button to stock-up on your favourite items, or the – button if you’ve selected too many. If you want to remove an item completely then click the x button.

    Absolutely, you can select a delivery address at the checkout stage. Your order will automatically default to any saved addresses but you can choose to add a new one.

    We’ll send you an email as soon as it’s on the way! Or you can track your order here.

    Plus, we ship all items separately, making sure you get what you need as quickly as possible.

    Our Track your Order page makes it easy to keep track of all your orders.

    Or, once you’ve logged in you’ll see each individual order that you’ve placed with us. Select the one that you want and discover all the information you need.

    We’ll also send you an email as soon as it’s on the way!

    Our track your order page will let you track any previous orders you’ve placed.

    Also, the email we sent you regarding the dispatch of your order will also let you know when we expect the order to arrive.

    Not found the information you need? Send our Customer Service team a message while you’re in your account.

    We’re sorry to hear you want to cancel.

    Can we help with anything so that you don’t have to? You can contact our Customer Service team through your account.

    If not then select the order that you wish to cancel. You can choose to cancel individual items or the whole order.

    We’ll send you an email within an hour to let you know if the cancellation worked.

    If it fails, this is because the order is getting ready to be sent. Items that are in stock are processed quickly so that we can aim to get products to our customers without delay.

    See our Returns Policy to help you get the order back to us instead.

    Once you’ve placed your order we cannot make any changes to it.

    If you want to try and cancel so that a new order can be placed, then you’ll need to log-in to your account.

    Select the order you wish to cancel and you’ll see that you can choose to cancel individual items or the whole order.

    We’ll send you an email within an hour to let you know if the cancellation worked. Please don’t place a new order until you hear from us.

    Don’t worry, you can try and cancel the item in your account.

    You’ll need to click on the item and choose the cancel option. We’ll send you an email within an hour to let you know if it worked.

    If you can’t cancel then you can send the item back to us. Refer to our Returns Policy to find out how.

    Need some more help? You can send our Customer Service team a message while you’re in your account.

    We’re sorry that happened! We take pride in all our products.

    So that we can look into this for you, please contact us to tell us more.

    It’d really speed things up if you could find the information below before contacting us, don’t worry if you can’t though, we can help once you get in touch.

    1. Order Number

    2. Product Name

    3. Details of the fault

    4. Images that support the fault, if applicable

    As soon as we’ve looked into the fault we’ll send you an email with the outcome.

    Thank you for getting in touch about your recent experience with one of our Klean Athlete products.

    We take all complaints seriously and are committed to providing products of the highest quality.

    If you do have a concern regarding the quality of any of our products then please contact our Klean Athlete Consumer Service team.

    Please keep the product until our team have been back in touch, in case it may be needed to assist in handling your complaint.

    It’d really speed our investigation up if you could find the information below before contacting us-

    1. Order Number

    2. Product Name

    3. Batch Number

    4. Expiry Date

    5. Images where applicable

    6. A brief summary that details the actual complaint

    Please keep the product until you have spoken with our team who will advise whether or not we require it back for further analysis.

    We’re sorry to hear that, sometimes things can go wrong but don’t worry as we can help. Please send us a message through your account.

    We’ll need to know the following-

    1. Order Number

    2. Incorrect item received

    3. The correct item ordered

    As soon as we’ve looked into what’s happened we’ll send you an email with the outcome.

    We take pride in our products so we’re sorry to hear you’ve received your order damaged.

    Sometimes things can go wrong but don’t worry, as we can help. Please send us a message through your account.

    Please don’t throw the item away, we may ask for pictures of the damage to ensure we take measures to prevent it happening again.

    As soon as we know what’s happened, we’ll send you an email with the outcome.

    We ship items separately to make sure you get what you need as quickly as possible.

    Your dispatch confirmation email will list the items that have been sent. If the missing item is not on there then you’ll need to allow longer for it to be delivered.

    If the item has been sent, then send a message through your account to let our Customer Service team know and they’ll be happy to help.


    We send you an email as soon as your order is on the way, so that you can find out when it will arrive.

    For tracked orders, use the tracking link provided in your email or located in your account to check where your order is.

    Have you checked for any delivery cards? Your parcel may have been left somewhere safe, such as with a neighbour or been taken to a local depot.

    Our Delivery Information page can give you more information and timescales.

    If you do need to report your order as lost then please contact our Customer Service through your account.

    All our delivery options can be found on our Delivery Information page.
    Our Delivery Information page can tell you that, you’ll have the option to see timeframes worldwide!

    No you will not be charged import fees. All orders placed on the site are inclusive of all duties and taxes and/or import fees. 

    Don’t worry, if your order cannot fit through the letterbox or requires a signature then you should receive a calling card.

    This card is from the courier and lets you know where your parcel is and how you can collect it.

    You can use our track your order feature to get updates on the the status of your order. Just enter your order number (you can find it in your confirmation email) and your post code.

    Payments & Discounts

    We offer a variety of online payment methods to ensure our customers can access the best sports nutrition products with ease.



    Google Pay


    You can select your preferred payment method at checkout. As we take fraud very seriously, you will face validation and authorisation by us and the card issuer.

    This is just so we can keep our customers safe!

    If your delivery address is within Alabama, California, Colorado, Connecticut, District of Columbia, Georgia, Hawaii, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, Nevada, New Jersey, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Texas, Utah, Vermont, Washington, West Virginia, Wisconsin or Wyoming, Sales Tax, where applicable, will be added to your order at check out.

    If you’re seeing the status ‘Payment Problem’ then you’re probably confused, don’t worry this can be easily fixed and we’ll have your products on the way to you in no time!

    Before re-entering any card details you’ll need to make sure that the expiry date and billing address are correct. We also recommend checking funds in the account.

    If you’ve done all that and still can’t fix the problem then please contact our Customer Service team who’d be happy to help.

    Once you place an order, the payment will show in your account as pending until we send the products to you.

    The pending transaction is telling you that the payment is authorised to be taken.

    If you want to add new payment details then you’ll need to do this at the checkout stage.

    Your new card details will be saved once your order has been placed. This means that next time around you can order your favourite supplements with ease.

    We like to make things as easy for you as possible, including getting discount off your favourite sports nutrition products.

    Once you’ve got all your items in the basket, then add your code in the box marked ‘Got a discount code? Enter it here’. Clicking ‘Use Code’ will apply the discount.

    If the code doesn’t work then you’ll need to check you’re not trying to use more than one offer, you can only use one per order. Please refer to the terms and conditions of an offer.

    Still having problems? You can contact our Customer Service team through your account.

    We’re sorry to hear your code isn’t working! To find out why, you’ll need to check the terms and conditions of the offer.

    If the code is valid and you’re not trying to use more than one code per order then contact our Customer Service team through your account.

    Refunds & Returns

    Please refer to our returns policy page for more information.

    If this doesn’t answer your question then our Customer Service team is on hand to help. You can contact them through your account.

    We try not to make things complicated, log-into your account to contact our Customer Service team and they’ll do the rest.

    You’ll need to tell them the reason for the return so they can choose the best option for you.

    Please refer to our returns policy page for more information.

    We want all of our customers to enjoy their products so if you’re not happy with your order then you can send it back to us.

    All we ask is that you let us know that you don’t want the order within 14 days of receipt and make sure the products have not been opened.

    To get the order back to us safely please to log-in to your account and contact our Customer Service team.

    They’ll send you all the information you need, but you can also refer to our returns policy page for more information.

    As soon as we receive your order we’ll review the reason for return and let you know what we plan to do next.

    You should receive an email to notify you of any action taken.

    Your refund should be returned to your account within 5 working days and we’ll send you an email to let you know it’s on its way!

    If you don’t receive your refund and it’s been 10 working days since you received our email, then you’ll need to contact our Customer Service team through your account.


    Please refer to our Terms and Conditions page.
    If you’re having problems accessing the checkout or any part of our website, then please get in contact with our Customer Service team straight away so we can fix this for you!
    Please refer to our Privacy Policy page.

    You have the right to ask about what personal data we hold about you.

    To make this request you can email us through your account.

    Product Advice

    When it comes to quality and safety certifications for dietary supplements, NSF International is considered the gold standard. NSF International is the leading accredited third-party certifier of dietary supplements, functional foods and dietary supplement raw ingredients (ANSI-Accredited Product Certification Body-Accreditation #0216).

    The NSF Certified for Sport® certification program helps athletes, coaches and trainers make more informed decisions when choosing sports supplements. The program is recognised by the NFL®, NFL Players Association®, MLB®, MLB® Players Association, PGA®, LPGA® and Canadian Centre for Ethics in Sports®.

    Certified supplements must meet rigorous standards that include comprehensive lab testing and extensive evaluation of the manufacturing process to ensure contaminated substances or hidden ingredients are not added to a product.

    Our complete product line is GMO-free and formulated without wheat or gluten, artificial colouring, flavouring or sweeteners. For us, integrity is paramount, and quality is absolute, supported by the uncompromising standards we maintain at state-of-the-art U.S. manufacturing facilities, while upholding rigorous testing and third party-certifications to ensure safety, consistency and quality. 

    • NSF-GMP registered manufacturing facility in the U.S. 
    • The finished product is manufactured and tested in the U.S. in accordance to NSF International quality standards.
    • In-house laboratories are ISO 17025 accredited and certified, and perform Chemical, Physical, and Microbial testing. Third-party testing is performed by accredited laboratories.
    • Raw materials are tested for identity.
    • Raw material suppliers undergo rigorous qualification procedures and audits.

    Our products are manufactured in an NSF-GMP registered facility in North America.
    We conduct comprehensive testing of each and every batch of ingredients upon reception for identity, microbial contamination, potency and contaminants such as solvents, pesticides and heavy metals. We value consistency in our commitment to comprehensive third-party testing to ensure the purity and potency of all finished products.

    Klean Athlete is a complete line of premium, NSF Certified for Sport®, free-from, science-based sports supplements formulated with clean, high-quality ingredients for all athletes, from recreational to pro. Klean Athlete supports active lifestyles and empowers athletes to achieve peak performance through optimal health.‡

    Email us at with your name, sport and a bit about yourself! Tell us why you wish to become a sponsored Klean Athlete and what it means to you to #TrainKlean. Be sure include your social media handles as well!
    • When is the best time to take Klean Antioxidant?

    It is recommended to take 3 capsules of Klean Antioxidant with a meal.

    • Why is biotin included in this product? Isn’t it usually for hair, skin and nails?

    Biotin is important for maintaining optimal levels of metabolites utilized for energy production in the mitochondria. The molecular structure of biotin is similar to that of alpha lipoic acid, one of the principal ingredients in Klean Antioxidant. As a consequence of this structural similarity, an excess of alpha lipoic acid can compete with or displace biotin from its cognate enzyme, according to experimental evidence from cell and animal studies. For this reason, biotin has been added to offset a potential imbalance. Biotin is important for including in gluconeogenesis and fatty acid synthesis.‡

    • Is the PEAK ATP® similar to Creatine?

    Peak ATP® is the oral form of adenosine-5’-triphosphate, the major source of cellular energy. It has been shown to support peak physical performance through increasing strength, power, and muscle gain. Creatine supports muscle strength, performance and recovery. It can support energy production through regeneration of adenosine-5’-diphosphate to ATP®.‡

    • How are the BCAAs sourced?

    BCAAs are derived from fermentation from non-GMO corn starch.

    • What is the source of the Collagen?

    The source of the collagen in Klean Collagen+C is bovine.

    • Is the collagen in Klean Collagen+C type II?

    Klean Collagen+C contains bovine gelatin, which is naturally a mix Type I and Type III collagen. Type II collagen is naturally found in chicken collagen. It could contain Type II but is not standardised.

    • Is this going to impact my kidneys?
    There are no adverse effects for Klean Creatine when used according to the label recommendations.

    • How much should I take of Klean Electrolytes?

    As a dietary supplement, take one to three capsules prior to, during, and after intense or prolonged exercise. The following are merely guidelines and one should consult with a coach, trainer or health professional for individualised dosing:

    • Weight <135 lbs: 1 capsule per hour during activity, 1 capsule after activity
    • Weight 135-200 lbs: 1 capsule prior to activity, 1-2 capsules per hour of activity,1-2 capsules after activity
    • Weight >200 lbs: 1 capsule prior to activity, 2-3 capsules per hour of activity, 2-3 capsules after activity

    • Can I take this and Klean Hydration at the same time?

    Klean Electrolytes and Klean Hydration may be taken together or separate depending on the individual athlete’s duration and frequency of exercise.

    • What is the difference between Klean Electrolytes and Klean Hydration?

    Klean Hydration consists of 6% carbohydrates with additional minerals for the replacement of fluid and electrolytes lost through sweat during physical activity. Whereas Klean Electrolytes replenishes important minerals in the body during or after exercise.‡

    Klean Hydration is electrolyte-based powder that you mix with water versus Klean Electrolyte which is a more concentrated vegetarian capsule form of electrolytes.

    • When should I take Klean Endurance?

    Take 1-3 chewable tablets just before (within 15-30 minutes), during activity (1-3 chews every 60 minutes) and just after physical activity. Best taken with a food or a sugar/glucose source to prevent low blood sugar from occurring.‡

    • How is this different than Klean BCAA +PEAK ATP®?

    Klean Endurance may be taken with Klean BCAA + PEAK ATP®. Klean Endurance is a useful dietary supplement to help the athlete restore energy, support cardiac function and reduce muscle stiffness, soreness, and fatigue.‡

    • Should I take this or Klean BCAA+ PEAK ATP®?

    Klean BCAA + PEAK ATP® provides only the amino acids to be delivered to skeletal muscle for direct synthesis and repair. It also provides a direct source of energy for performance and recovery. Klean Essential Aminos + HMB provides the 9 essential amino acids with β-hydroxy-β-methylbutyrate (HMB). HMB® is a metabolite of L-leucine, and supports lean muscle mass by increasing protein synthesis, and decreasing muscle protein break down. Klean Essential Aminos + HMB is designed to support healthy muscle mass and provide muscle building support. It also supports patients who may be going into surgery that are not able to exercise or are on bed rest for an extended period of time.‡

    • What exactly does HMB do?

    In resting conditions, higher amino acid concentrations in plasma have a stimulatory effect on protein synthesis. Immediately after exercising, this effect of increased availability of amino acids on protein synthesis is exaggerated compared with the resting condition. Among the amino acids, essential amino acids (EAAs) are primarily responsible for the regulation of muscle protein synthesis. Leucine, in particular, plays an important role in that process. Calcium β-Hydroxy-β-methylbutyrate-monohydrate(HMB) is a metabolite of leucine that decreases protein breakdown under conditions of physiological stress, in part by modulating the ubiquitin proteasome proteolytic pathway. Several studies have indicated that HMB also stimulates protein synthesis through the activation of the mTOR pathway. Research involving physically active adults showed that subjects who supplemented with HMB increased their anaerobic power by 54% over training alone. Although leucine offers similar benefits to HMB in increasing protein synthesis, HMB is more potent than leucine for promoting strength gains due to the additional benefit HMB provides in decreasing protein breakdown. Additionally, as approximately 5% of leucine is converted to HMB, consuming 60 grams of leucine would yield 3 grams of HMB.‡

    • What makes this different than Klean Antioxidant?

    What makes this different than Klean Antioxidant? Klean Focus® is formulated to promote brain health. The addition of lutein supports visual acuity. Klean Antioxidant is designed to support healthy aging, as well as guarding against cellular damage that occurs during intense training.‡

    • When should I take Klean Focus®?
    It is recommended to take Klean Focus®, 3 capsules daily with a meal.

    • Why is there sugar in Klean Hydration?
      The carbohydrates and sodium in Klean Hydration support intestinal absorption of fluids to maximize hydration efficiency.‡
    • Is this safe for my teenage athlete?

    Our products are recommended for athletes 18+ at the suggested use indicated on the label. Always best to consult a registered dietician or health professional especially at the teen age group.

    • What and from where is the whey sourced and are they grass fed cows?

    Raw milk to make whey originates from various countries: US, New Zealand, Denmark, UK where cows are both pasture-fed and supplemental fed when needed. The milk is rBST-free, rBGH-free, and antibiotic-free.

    • Is Klean Isolate lactose free?

    Klean Isolate is lactose free.

    • Is the dosage of melatonin safe to take?

    Klean Melatonin provides 3mg of melatonin per 2 sprays, which is considered safe and generally well tolerated. You can always decrease the dosage to 1.5mg with 1 spray.

    • Should I take Klean Melatonin every night?

    Klean Melatonin may be taken every night for a short term, or as a single dose.

    • Is there iron in Klean Multivitamin?

    Klean Multivitamin does not contain iron.

    • Why is the calcium so low?
    • Klean Multivitaminis a 2-tablet serving. Calcium is a large molecule and would increase the serving size.
    • What is the source of the Omega?

    Klean Omega is sourced from wild caught anchovy and sardines from the coast of Chile.

    • Will Klean Omega make me burp?

    Klean Omega is a clean, pure fish oil which has not been shown to cause a fishy burp. Taking Klean Omega with a meal will decrease any possibility of this experience.

    • What is the source of the probiotics?

    The medium on which the probiotics are grown is proprietary. We have provided a written statement that the medium is free from the 8 major allergens (milk, eggs, fish, shellfish, tree nuts, peanuts, wheat and soy).

    • Why were these probiotic strains selected?

    The strains in Klean Probiotic are of lactoabacillus and Bifidobacterium genera, and is specifically formulated to contain eight probiotic strains to support gastrointestinal and immune health. Probiotic Lactobacillusacidophilus La-14 produces compounds called bacteriocins that compete with other bacteria in the gastrointestinal tract and can withstand pH ranging from 2.0 to 12.0, which may enhance probiotic colonisation and contribute to a healthy gut microbiota. Supplementation with Lactobacillus rhamnosus Lr-32 has been shown to help maintain healthy oral microbial balance, suggesting its role in maintaining oral care. In a clinical trial, supplementation with at least 1 billion CFU of Bifidobacterium lactis HN019 was shown to support healthy digestion. Under stress, interleukin 1 beta (IL-1β) and tumour necrosis factor(TNF-α) are released. Bifidobacterium longum Bb-02 has been shown to positively modulate these factors in vivo, thus suggesting support for immune function. An in vitro study comparing nine probiotic strains reported that Streptococcus thermophilus was most effective in supporting healthy microbial balance.

    • Does this product require refrigeration?

    Klean Probiotic is specifically formulated to be shelf-stable in dry, cool temperatures.

    • Why are there so many carbs and only 10g protein?

    Klean Recovery supports optimal glycogen uptake and muscle protein synthesis immediately after a workout or competition. Nutrient timing is crucial to an athlete’s recovery and muscle tissue repair following endurance or resistance exercise. Intense, prolonged exercise depletes muscle and liver stores of glycogen. The results of several studies in animals and humans suggest that post exercise muscle glycogen storage can be enhanced with a carbohydrate-protein supplement as a result of the interaction of carbohydrate and protein on insulin secretion. The International Society of Sports Nutrition’s position on nutrient timing suggests that a carbohydrate to protein ratio of 3–4:1 supports glycogen re-synthesis during acute and subsequent bouts of endurance exercise. The nutrient profile of Klean Recovery mimics this ratio.‡

    • It is common knowledge that beta alanine causes paresthesia; will this product do the same?

    Klean SR Beta-Alanine contains CarnoSyn® in a sustained beta-alanine release, which delivers the same overall effect, but with little to no paresthesia-related symptoms.

    • Is there caffeine included in this product?

    Klean SR Beta-Alanine is not caffeinated.

    • If there is vitamin D in Klean Multivitamin do I also need to take this?

    Additional vitamin D may support immune health, musculoskeletal strength, and physical performance.‡

    • Is 5,000 IU of vitamin D safe?

    Vitamin D has been safely used in a wide range of doses. Vitamin D at a 5,000 IU dose may be effective for short term use. We recommend consulting with a healthcare practitioner to determine if this dose is a good fit for your nutritional needs.

    Coronavirus Update

    Yes. We are still available 24 hrs a day online and we will do our utmost through this period to keep our websites running as normal for all customers.

    Yes. It is understood that people receiving parcels are not at risk of contracting the Coronavirus (COVID-19). It is understood that these types of viruses don’t survive long on objects such as letters or parcels. However, we always recommend that people wash their hands more often than usual using soap and hot water.

    It is understood that there’s no current evidence to suggest that the virus can be transmitted from packages.

    Unfortunately, some delivery locations will be affected by COVID-19 and orders might take longer than usual to arrive.

    To find information about usual US delivery times and prices, please click here.

    For the most up to date information on your order, please check its status using the tracking link provided in your order dispatch email.

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