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See prices, running costs, specifications and trade-offs side by side. Choose two to four products of the same type.

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CriterionKlean CreatineTransparent Labs Creatine HMB
US price$34.50Checked Oct 20, 2026 · Price details in the review$49.99Checked Oct 23, 2026 · Price details in the review
Three-year ownership estimate$664.14

Planning total.

$1,874.62

Planning total.

Choose ifYou want plain creatine monohydrate from a product in NSF's Certified for Sport database, with lot numbers you can check.You want creatine monohydrate and HMB in one scoop, from a product in NSF's Certified for Sport database.
Main trade-offKlean's page asks you to log in to add to cart, and returns carry a 15% processing fee plus shipping.It costs about $1.67 a serving, it isn't plain creatine, and return shipping isn't reimbursed.
Key specifications
  • Dose per serving: 5 g creatine monohydrate (1 scoop, approximately 5 g)
  • Servings per container: Approximately 60 on Klean's label. NSF's 315 g package at 5 g a serving works out to 63
  • Price per serving: About $0.58 at the $34.50 retail price and 60 servings
  • Form: Unflavored powder, with Other ingredients: None
  • Certification: NSF Certified for Sport lists two entries for the 315 g unflavored powder, with 2 and 16 certified lots
  • Directions: 1 scoop daily in 8 oz of water or another drink, around exercise or with a meal on rest days
  • Free-of statements: NSF's US entry lists gluten free and GMO free. Its other entry lists artificial flavor, artificial preservative, dairy, GMO, gluten, wheat and soy free
  • Warning: Klean says to consult a health professional if you're pregnant, nursing, have a health condition or take any medication
  • Where to buy: Klean's page lists a retail price but asks for a login to add to cart
  • Dose per serving: 5,000 mg creatine monohydrate and 1,500 mg HMB in one 7 g unflavored scoop
  • Also in each scoop: 500 IU vitamin D3 and 5 mg BioPerine. The HMB is myHMB calcium HMB
  • Servings per container: 30. A 60-serving size is also sold
  • Price per serving: About $1.67 at the $49.99 one-time price
  • Other ingredients: None on the unflavored label. Flavored versions add natural flavors and stevia and use 9.3 to 10.65 g scoops
  • Certification: NSF's Certified for Sport database lists Creatine HMB in 13 versions. The unflavored entry is for the US, with 12 certified lots
  • Dose vs. typical regimens: 5 g creatine is within the 3 to 5 g maintenance dose NIH describes. 1.5 g HMB is below the 3 g a day NIH calls most common in studies
  • Directions: One scoop in 10 to 12 oz of cold water, around your workout or in the morning on rest days
  • Allergen statements: Made in a facility that processes nuts (coconuts and peanuts), under an allergen control program, per Transparent Labs
  • Delivery: US orders over $99 ship free
Exact variant315 g tub, unflavored (SKU KA57692P-315), about 60 servings of 5 g creatine monohydrate30-serving tub, unflavored (SKU TPL004109), 5,000 mg creatine monohydrate and 1,500 mg HMB per 7 g scoop
DimensionsNot stated by the manufacturer. Klean's page gives approximately 60 servings of one scoop (about 5 g) and no net weight or tub size. NSF's listings give a 315 g package.Not stated by the manufacturer. The product page gives 30 servings per tub and a 7 g unflavored scoop but no net weight. NSF's listing for the unflavored version gives package sizes of 105 g, 210 g and 420 g with a 7 g serving. 210 g matches 30 servings.
InstallationNo installation. Klean says to mix 1 scoop daily with 8 ounces of water or another drink. For best results it suggests a carbohydrate-containing drink or food 30 minutes before exercise, or a recovery drink right after. On rest days it says to take 1 serving daily with a meal.No installation. Transparent Labs says to add one level scoop to 10 to 12 ounces of cold water or another drink and shake until smooth. It suggests taking it around your workout, such as 30 minutes after, and one scoop in the morning on rest days.
MaterialsThe only ingredient is creatine monohydrate, 5 g a serving, and the label says Other ingredients: None. Klean's page shows icons for gluten free, GMO free, vegan and vegetarian. Klean's page and product sheet don't name the creatine's source or say what the tub is made of. The product sheet says it's manufactured for Klean Athlete, Pittsburgh, Pennsylvania.The unflavored label lists creatine monohydrate, HMB as myHMB calcium HMB monohydrate, vitamin D3 as cholecalciferol and BioPerine black pepper fruit extract. It also shows 200 mg of calcium and says Other Ingredients: None. Flavored versions use natural flavors and stevia, Transparent Labs says, and they come in larger scoops. It says the ingredients are vegan-friendly and that the facility processes nuts (coconuts and peanuts) under an allergen control program.
WarrantyNot stated by the manufacturer. Klean's return policy says it guarantees quality, purity and potency through the expiration date, but gives no warranty term.Not stated by the manufacturer. The product page and refund policy describe a satisfaction guarantee but no product warranty.
Returns30 days from receipt, with preauthorization and a 15% processing fee plus shipping. Claims of shortage or damage must be made within 7 days of receiving the package. Authorized returns must reach Klean within 14 days of authorization. Returns are credited on receipt, less the 15% fee and the cost of shipping. The policy doesn't say whether an opened tub qualifies.A refund or store credit within 45 days of delivery, with return shipping at your cost. The policy covers original end-user purchasers in the United States who bought from Transparent Labs' website or authorized US sellers, and it excludes unauthorized sellers. You email support first, and you may be asked for proof of purchase, photos or the unused portion. Prepaid return labels aren't provided and return shipping isn't reimbursed. Website refunds go back to the original card and can take up to two billing cycles to appear. Transparent Labs can change or end the guarantee at any time without notice.
Unresolved questions
  • Which NSF entry a given tub's lot number sits in
  • The NSF certification date, which neither entry shows
  • Whether the page's retail price applies to every buyer, since it asks you to log in
  • Whether an opened tub qualifies for return
  • Who makes the creatine and where it comes from
  • Klean's net weight for the tub
  • Whether a given tub's lot number is among the lots NSF lists
  • The NSF certification date, which the listing doesn't show
  • Which sizes, flavors and lots Informed Choice's listing covers
  • The net weight of the 30-serving tub
  • Who supplies the creatine

These comparisons use published specifications, not head-to-head tests. Prices and terms are dated. Unknown costs are not zero. Check the exact variant before you buy.