No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

Creatine Ingredients & Drug Interactions

by ALLMAX ESSENTIALS

Creatine label
See full label image
Powder Category: Non-nutrient/non-botanical
No known interaction
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Creatine against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line No known interaction

Creatine is a dietary supplement by ALLMAX ESSENTIALS with 1 active ingredient. Its ingredients are commonly taken for improving high-intensity exercise performance, building muscle strength and size, sports and athletic training.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

Jump to a section

HelloPharmacist Scorecard of Creatine by ALLMAX ESSENTIALS

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: CreaSyn, which is creatine. Creatine is a compound your body makes naturally and uses to fuel muscle cells during exercise.

The supplement form is meant to boost the amount available in your muscles, especially during intense training. There are no inactive ingredients listed for this powder.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed

This product doesn't appear to be marketed for a specific use, so we graded Creatine's overall clinical evidence instead.

Moderate

Some clinical evidence supports Creatine for:

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.
  • Since the label doesn't commit to one use, we graded the ingredient's overall clinical evidence instead.
  • On file: Athletic performance — rated "Possibly Effective" (Natural Medicines).
  • On file: Muscle strength — rated "Possibly Effective" (Natural Medicines).
  • On file: Sarcopenia — rated "Possibly Effective" (Natural Medicines).
  • On file: Cerebral creatine deficiency syndromes — rated "Possibly Effective" (Natural Medicines).

The evidence for creatine is strongest for muscle strength, athletic performance, sarcopenia (age-related muscle loss), and cerebral creatine deficiency syndromes — all rated possibly effective. For Huntington disease and osteopenia (low bone density), the research suggests it's likely ineffective.

Most of the data comes from people doing resistance training or high-intensity activity, so results depend on what you're trying to achieve and whether you're putting in the work.

The evidence, ingredient by ingredient Creatine

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Orally, creatine is generally well tolerated in healthy adults. The most common side effects are dehydration, diarrhea, gastrointestinal upset, muscle cramps, and water retention — a small number of trial participants experienced each of these.

Serious side effects like kidney injury or muscle breakdown are rare and mostly reported as case reports rather than showing up in larger studies. Pregnancy and breastfeeding are different stories.

Safety during pregnancy has not been established, so it's best avoided if you're pregnant. There isn't enough safety information for nursing mothers either, so avoid use while breastfeeding.

If you have kidney disease or reduced kidney function, use caution — talk to your doctor first.

Side effects, ingredient by ingredient Creatine

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented for creatine in our data. However, because creatine affects kidney function, anyone on medications for blood pressure, kidney disease, or diabetes should double-check with their pharmacist before starting.

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence behind its ingredients' uses. No medication interactions are currently documented, and safety information is well characterized.

Creatine is a solid choice if you're doing strength training or high-intensity exercise and want to support muscle performance and strength. If you have healthy kidneys, stay hydrated, and aren't pregnant or nursing, it's generally well tolerated.

Anyone with kidney issues should check with their doctor first — and that conversation is worth having even if you don't think you have kidney problems, especially if you're on any blood pressure or kidney-related medications.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated May 21, 2025.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Creatine, straight from the product label.

Brand ALLMAX ESSENTIALS
Barcode (UPC) 665553200194
Net contents 2.2 lb(s); 35.27 Ounce(s); 1000 Gram(s)
Market status On market
Date entered into DSLD May 21, 2025
DSLD ID 325791
Product type Non-nutrient/non-botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Kosher, Women (not pregnant or lactating), Gluten Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Creatine by ALLMAX ESSENTIALS, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
5 Gram(s), 3 Gram(s)
Maximum serving Sizes:
5 Gram(s), 5 Gram(s)
Servings per container
200
UPC/BARCODE
665553200194
IngredientAmount% DV
CreaSyn5 Gram(s)--

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation

Professional Grade Supplements

World-Class purity specifications Enhanced solubility Pharmaceutical grade A new standard in Creatine with an impressive array of quality assurances including; Informed Choice (WADA Banned Substances Tested), gluten-free, Vegan, Pharmaceutical Grade, Kosher, and cGMP. The result is CreaSyn; a pure, clean and trusted source of Creatine. We believe that CreaSyn is the new standard for Creatine and the most premium choice for Creatine on the market.

Clean for Athletes. Banned Substance Tested. This product has been skip-lot tested for banned substances for the assurance of athletes and supplement users under the Informed Choice program. For further information about the testing process and test results, please visit www.CleanforAthletes.com. Gluten Free Tested

Vegan

Pharmaceutical Grade Improves performance in high-intensity strength training Increases muscle mass, strength and size Muscle volumizing effects

Made in USA with domestic and imported ingredients

Formula

The Ultimate in Safety & Purity - ALLMAX pharmaceutical grade CreaSyn Creatine is the ultimate in purity and safety; rigorously held to strict standards that meet or exceed 3rd -Party independent testing for WADA Banned Substances and cGMP guidelines. In addition, our Creatine is micronized to an ultra-fine, free-flowing powder. Most Creatine powders on the market today have particles that are as much as 250% larger! The Undisputed King of Creatine - Creatine Monohydrate is the undisputed king of creatine. Over 95% of all research ever conducted used Creatine Monohydrate. Other forms of Creatine have come and gone, all trying to make the claim that they have improved the original Creatine. The truth is that very few, if any, scientific studies are even being attempted to try to prove that they are enhance performance in any way. Research Reigns Supreme - Creatine Monohydrate is the most heavily researched (more than 300 studies) and time-tested sports nutrition supplement in the world. Creatine has been shown to increase maximal strength and endurance as much as 15% and up to 30% in power output and energy release in short burst/interval sports. CreaSyn The new standard in Creatine

A new standard in Creatine with an impressive array of quality assurances including; Informed Choice (WADA Banned Substances Tested), gluten-free, Vegan, Pharmaceutical Grade, Kosher, and cGMP.

Seals/Symbols

Clean for Athletes Banned Substance Tested

Informed Choice We Test You Trust Regularly tested for banned substances cGMP Registered Facility Gluten Free Tested V Vegan

Purity & Potency Tested Quality Guarantee

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Brand IP Statement(s)

Science Innovation Quality Results ALLMAX Essentials

Copyright 2022 ALLMAX Nutrition Inc. All rights reserved. Trademarks are property of their respective owners.

General Statements

Free Scoop

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Recommended Dose: Start with a loading phase of 5-7 days and follow with a maintenance phase. Take daily with water or juice. Loading phase - 1 scoop (5 g) four times daily (total of 20 g / day) for 5-7 days. Maintain Phase - 2/3 - 1 scoop daily (total of 3-5 g /day). Recommended Use or Purpose: Aids in improving performance in repetitive bouts of brief, highly-intense physical activity. Aids in increasing muscle mass when used in conjunction with a resistance training regimen.

Precautions

Warnings: Do not use if you are pregnant or breastfeeding, have a medical condition or are taking prescription medications.

Consult a healthcare practitioner before use. May result in weight gain. Do not use if inner seal is broken.

Not intended for use by those under 18. Keep out of reach of children.

California Warning: Lead is known to the State of California to cause birth defects or reproductive harm. Consuming this product can expose you to more than 0.0000005 g of lead. For more information go to www.P65Warnings.ca.gov. Prop 65

Allergen warning: Produced in a facility that also handles milk, soy, egg, peanut, tree nut, sesame, fish, crustacean and shellfish products.

Storage

Store in a cool, dry place.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Creatine by ALLMAX ESSENTIALS label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Creatine label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Creatine by ALLMAX ESSENTIALS

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size5 Gram(s) Dosage formPowder Servings per container200 Amounts shown are per serving.

CreaSyn

No known
interactions
5 Gram(s) per serving Form: Creatine Monohydrate

Creatine is one of the most studied sports supplements, with solid evidence that it can boost strength and performance during short, high-intensity ac...

CreaSyn monograph & interactions
Interaction report

Creatine by ALLMAX ESSENTIALS Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Creatine. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for Creatine, from the product label.

ALLMAX ESSENTIALS

See all ALLMAX ESSENTIALS products
Name
HBS International Corp.
Street Address
14 Edgewood Drive
City
Carmel
State
NY
ZipCode
10512
Web Address
ALLMAXNUTRITION.COM
Pharmacist Counseling Corner

Creatine by ALLMAX ESSENTIALS: Common Questions

Does Creatine by ALLMAX ESSENTIALS interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Creatine. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Creatine contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I have kidney disease?
No — the safety notes advise caution if you have kidney issues. Talk to your doctor before using creatine, since it increases the work your kidneys have to do.
What's the most common side effect I might notice?
Water retention and dehydration are the most frequent ones people report. You might also experience diarrhea, muscle cramps, or mild stomach upset. Staying well hydrated helps.
Is it safe to take while pregnant?
No. Safety during pregnancy has not been established, so it's best avoided if you're pregnant or trying to become pregnant.
Can I breastfeed while taking creatine?
There isn't enough safety information for nursing mothers, so avoid use while breastfeeding. Talk to your doctor if you're considering it.
Does creatine actually help with muscle strength?
The evidence rates it as possibly effective for muscle strength and athletic performance, especially if you're doing resistance training or high-intensity exercise. Results depend on consistent training.
Will this hurt my liver?
Despite a couple of case reports, larger studies haven't found an increased risk of liver injury from creatine use. The safety data doesn't show a link to liver disease.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Creatine is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Creatine label
Go deeper

The Full Monographs Behind Creatine’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Creatine

Creatine is one of the most studied sports supplements, with solid evidence that it can boost strength and performance during short, high-intensity activities like weightlifting and sprintin...

Read the full Creatine monograph →
Sources

Sources & How We Checked

Creatine's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 86 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Creatine 86 references
  1. Koshy KM, Griswold E, Schneeberger EE. Interstitial nephritis in a patient taking creatine. N Engl J Med 1999;340:814-5. PubMed
  2. Vahedi K, Domingo V, Amarenco P, Bousser MG. Ischemic stroke in a sportsman who consumed MaHuang extract and creatine monohydrate for bodybuilding. J Neurol Neurosurg Psychiatr 2000;68:112-3.
  3. Greenhaff P. Renal dysfunction accompanying oral creatine supplements. Lancet 1998;352:233-4. PubMed
  4. Vandenberghe K, Goris M, Van Hecke P, et al. Long-term creatine intake is beneficial to muscle performance during resistance training (abstract). J Appl Physiol 1997;83:2055-63. PubMed
  5. Hultman E, Soderlund K, Timmons JA, et al. Muscle creatine loading in men. J Appl Physiol 1996;81:232-7. PubMed
  6. Pritchard NR, Kalra PA. Renal dysfunction accompanying oral creatine supplements. Lancet 1998;351:1252-3. PubMed
  7. Poortmans JR, Auquier H, Renaut V, et al. Effect of short-term creatine supplementation on renal responses in men (abstract). Eur J Appl Physiol Occup Physiol 1997;76:566-7. PubMed
  8. Poortmans JR, Francaux M. Long-term oral creatine supplementation does not impair renal function in healthy athletes. Med Sci Sports Exerc 1999;31:1108-10. PubMed
  9. Mihic S, MacDonald JR, McKenzie S, Tarnopolsky MA. Acute creatine loading increases fat-free mass, but does not affect blood pressure, plasma creatinine, or CK activity in men and women. Med Sci Sports Exerc 2000;32:291-6. PubMed
  10. Rawson ES, Wehnert ML, Clarkson PM. Effects of 30 days of creatine ingestion in older men. Eur J Appl Physiol Occup Physiol 1999;80:139-44. PubMed
  11. Earnest CP, Almada AL, Mitchell TL. High-performance capillary electrophoresis-pure creatine monohydrate reduces blood lipids in men and women. Clin Sci (Colch) 1996;91:113-8. PubMed
  12. Juhn MS. Oral creatine supplementation. Separating fact from hype. Phys Sportsmed 1999;27:47-50,53-54,56,61,89. PubMed
  13. Juhn MS, O'Kane JW, Vinci DM. Oral creatine supplementation in male collegiate athletes: a survey of dosing habits and side effects. J Am Diet Assoc 1999;99:593-5.
  14. Green AL, Hultman E, Macdonald IA, et al. Carbohydrate ingestion augments skeletal muscle creatine accumulation during creatine supplementation in humans. Am J Physiol 1996;271:E821-6. PubMed
  15. Balsom PD, Soderlund K, Sjodin B, Ekblom B. Skeletal muscle metabolism during short duration high-intensity exercise: influence of creatine supplementation. Acta Physiol Scand 1995;154:303-10. PubMed
  16. Snow RJ, McKenna MJ, Selig SE, et al. Effect of creatine supplementation on sprint exercise performance and muscle metabolism. (abstract) J Appl Physiol 1998;84:1667-73. PubMed
  17. McNaughton LR, Dalton B, Tarr J. The effects of creatine supplementation on high-intensity exercise performance in elite performers. (abstract) Eur J Appl Physiol Occup Physiol 1998;78:236-40. PubMed
  18. Groeneveld GJ, Veldink JH, van der Tweel I, et al. A randomized sequential trial of creatine in amyotrophic lateral sclerosis. Ann Neurol 2003;53:437-45. . PubMed
  19. Robinson SJ. Acute quadriceps compartment syndrome and rhabdomyolysis in a weight lifter using high-dose creatine supplementation. J Am Board Fam Pract 2000;13:134-7. PubMed
  20. Kammer RT. Lone atrial fibrillation associated with creatine monohydrate supplementation. Pharmacotherapy 2005;25:762-4. PubMed
  21. Gualano B, Ugrinowitsch C, Novaes RB, et al. Effects of creatine supplementation on renal function: a randomized, double-blind, placebo-controlled clinical trial. Eur J Appl Physiol 2008;103:33-40. PubMed
  22. Pfeffer, G., Majamaa, K., Turnbull, D. M., Thorburn, D., and Chinnery, P. F. Treatment for mitochondrial disorders. Cochrane Database.Syst.Rev. 2012;4:CD004426. PubMed
  23. Boos, C. J., White, S. H., Bland, S. A., and McAllister, P. D. Dietary supplements and military operations: caution is advised. J R.Army Med Corps 2010;156(1):41-43. PubMed
  24. Kreider, R. B. Dietary supplements and the promotion of muscle growth with resistance exercise. Sports Med 1999;27(2):97-110. PubMed
  25. Juhn, M. S., O'Kane, J. W., and Vinci, D. M. Oral creatine supplementation in male collegiate athletes: a survey of dosing habits and side effects. J Am.Diet.Assoc 1999;99(5):593-595.
  26. Volek, J. S., Duncan, N. D., Mazzetti, S. A., Putukian, M., Gomez, A. L., and Kraemer, W. J. No effect of heavy resistance training and creatine supplementation on blood lipids. Int J Sport Nutr.Exerc.Metab 2000;10(2):144-156. PubMed
  27. Robinson, T. M., Sewell, D. A., Casey, A., Steenge, G., and Greenhaff, P. L. Dietary creatine supplementation does not affect some haematological indices, or indices of muscle damage and hepatic and renal function. Br.J Sports Med 2000;34(4):284-288. PubMed
  28. Tarnopolsky, M. A. Potential benefits of creatine monohydrate supplementation in the elderly. Curr.Opin.Clin Nutr.Metab Care 2000;3(6):497-502. PubMed
  29. Tarnopolsky, M. A. and MacLennan, D. P. Creatine monohydrate supplementation enhances high-intensity exercise performance in males and females. Int J Sport Nutr.Exerc.Metab 2000;10(4):452-463. PubMed
  30. Arciero, P. J., Hannibal, N. S., III, Nindl, B. C., Gentile, C. L., Hamed, J., and Vukovich, M. D. Comparison of creatine ingestion and resistance training on energy expenditure and limb blood flow. Metabolism 2001;50(12):1429-1434. PubMed
  31. Chrusch, M. J., Chilibeck, P. D., Chad, K. E., Davison, K. S., and Burke, D. G. Creatine supplementation combined with resistance training in older men. Med Sci.Sports Exerc. 2001;33(12):2111-2117. PubMed
  32. Cox, G., Mujika, I., Tumilty, D., and Burke, L. Acute creatine supplementation and performance during a field test simulating match play in elite female soccer players. Int J Sport Nutr.Exerc.Metab 2002;12(1):33-46. PubMed
  33. Kilduff, L. P., Vidakovic, P., Cooney, G., Twycross-Lewis, R., Amuna, P., Parker, M., Paul, L., and Pitsiladis, Y. P. Effects of creatine on isometric bench-press performance in resistance-trained humans. Med Sci.Sports Exerc. 2002;34(7):1176-1183. PubMed
  34. Brose, A., Parise, G., and Tarnopolsky, M. A. Creatine supplementation enhances isometric strength and body composition improvements following strength exercise training in older adults. J Gerontol A Biol.Sci.Med Sci. 2003;58(1):11-19. PubMed
  35. Volek, J. S., Ratamess, N. A., Rubin, M. R., Gomez, A. L., French, D. N., McGuigan, M. M., Scheett, T. P., Sharman, M. J., Hakkinen, K., and Kraemer, W. J. The effects of creatine supplementation on muscular performance and body composition responses to
  36. Tyler, T. F., Nicholas, S. J., Hershman, E. B., Glace, B. W., Mullaney, M. J., and McHugh, M. P. The effect of creatine supplementation on strength recovery after anterior cruciate ligament (ACL) reconstruction: a randomized, placebo-controlled, double-b DOI
  37. Groeneveld, G. J., Beijer, C., Veldink, J. H., Kalmijn, S., Wokke, J. H., and van den Berg, L. H. Few adverse effects of long-term creatine supplementation in a placebo-controlled trial. Int J Sports Med 2005;26(4):307-313. PubMed
  38. Astorino, T. A., Marrocco, A. C., Gross, S. M., Johnson, D. L., Brazil, C. M., Icenhower, M. E., and Kneessi, R. J. Is running performance enhanced with creatine serum ingestion? J Strength.Cond.Res 2005;19(4):730-734. PubMed
  39. Cramer, J. T., Stout, J. R., Culbertson, J. Y., and Egan, A. D. Effects of creatine supplementation and three days of resistance training on muscle strength, power output, and neuromuscular function. J Strength.Cond.Res 2007;21(3):668-677. PubMed
  40. Young, P., De, Jonghe P., Stogbauer, F., and Butterfass-Bahloul, T. Treatment for Charcot-Marie-Tooth disease. Cochrane.Database.Syst.Rev. 2008;(1):CD006052. PubMed
  41. Ostojic, S. M. and Ahmetovic, Z. Gastrointestinal distress after creatine supplementation in athletes: are side effects dose dependent? Res.Sports Med. 2008;16(1):15-22. PubMed
  42. Whitt, K. N., Ward, S. C., Deniz, K., Liu, L., Odin, J. A., and Qin, L. Cholestatic liver injury associated with whey protein and creatine supplements. Semin.Liver Dis. 2008;28(2):226-231. PubMed
  43. Koenig CA, Benardot D Cody M Thompson WR. Comparison of creatine monohydrate and carbohydrate supplementation on repeated jump height performance. J Strength Cond Res. 2008;22(4):1081-1086. PubMed
  44. Gordon, P. H., Cheung, Y. K., Levin, B., Andrews, H., Doorish, C., Macarthur, R. B., Montes, J., Bednarz, K., Florence, J., Rowin, J., Boylan, K., Mozaffar, T., Tandan, R., Mitsumoto, H., Kelvin, E. A., Chapin, J., Bedlack, R., Rivner, M., McCluskey, L.
  45. Bender, A., Samtleben, W., Elstner, M., and Klopstock, T. Long-term creatine supplementation is safe in aged patients with Parkinson disease. Nutr.Res. 2008;28(3):172-178. PubMed
  46. Parness, J. You're "hot" from pumping iron? Anesth.Analg. 2009;108(3):711-713. PubMed
  47. Gualano, B., Ferreira, D. C., Sapienza, M. T., Seguro, A. C., and Lancha, A. H., Jr. Effect of short-term high-dose creatine supplementation on measured GFR in a young man with a single kidney. Am.J.Kidney Dis. 2010;55(3):e7-e9. PubMed
  48. Saidi, H. and Mani, M. Severe metabolic acidosis secondary to coadministration of creatine and metformin, a case report. Am.J.Emerg.Med. 2010;28(3):388-6. PubMed
  49. Gualano, B., de, Salles Painelli, V, Roschel, H., Lugaresi, R., Dorea, E., Artioli, G. G., Lima, F. R., da Silva, M. E., Cunha, M. R., Seguro, A. C., Shimizu, M. H., Otaduy, M. C., Sapienza, M. T., da Costa, Leite C., Bonfa, E., and Lancha Junior, A. H.
  50. Neves, M., Jr., Gualano, B., Roschel, H., Lima, F. R., Lucia, de Sa-Pinto, Seguro, A. C., Shimizu, M. H., Sapienza, M. T., Fuller, R., Lancha, A. H., Jr., and Bonfa, E. Effect of creatine supplementation on measured glomerular filtration rate in postmeno
  51. Gufford, B. T., Sriraghavan, K., Miller, N. J., Miller, D. W., Gu, X., Vennerstrom, J. L., and Robinson, D. H. Physicochemical characterization of creatine N-methylguanidinium salts. J.Diet.Suppl 2010;7(3):240-252.
  52. Lugaresi, R., Leme, M., de, Salles Painelli, V, Murai, I. H., Roschel, H., Sapienza, M. T., Lancha Junior, A. H., and Gualano, B. Does long-term creatine supplementation impair kidney function in resistance-trained individuals consuming a high-protein di
  53. Poortmans, J. R. and Francaux, M. Renal dysfunction accompanying oral creatine supplements. Lancet 7-18-1998;352(9123):234. PubMed
  54. Maganaris, C. N. and Maughan, R. J. Creatine supplementation enhances maximum voluntary isometric force and endurance capacity in resistance trained men. Acta Physiol Scand. 1998;163(3):279-287. PubMed
  55. Vandebuerie, F., Vanden Eynde, B., Vandenberghe, K., and Hespel, P. Effect of creatine loading on endurance capacity and sprint power in cyclists. Int J Sports Med 1998;19(7):490-495. PubMed
  56. Juhn, M. S. and Tarnopolsky, M. Oral creatine supplementation and athletic performance: a critical review. Clin J Sport Med 1998;8(4):286-297. PubMed
  57. Vandenberghe K, Van Hecke P, Van Leemputte M, and et al. Inhibition of muscle phosphocreatine resynthesis by caffeine after creatine loading. Med Sci Sports Exerc 1997;29(5 Supplement):249.
  58. Ziegenfuss T, Lowery LM, and Lemon PW. Acute fluid volume changes in men during three days of creatine supplementation. J Exerc Physiol Online 1998;1(3): .
  59. Kuehl K, Goldberg L, and Elliot D. Renal insufficiency after creatine supplementation in a college football athlete. Med Sci Sports Exerc 1998;30(5 Suppl ):S235. DOI
  60. Balsom PD, Ekblom B, Soderlund K, and et al. Creatine supplementation and dynamic high-intensity intermittent excercise. Scand J Med Sci Sports 1993;3:143-149.
  61. Kirksey KB, Warren BJ, Stone MH, and et al. The effects of six weeks of creatine monohydrate supplementation in male and female track athletes. Med Sci Sports Exerc 1997;29(5 Suppl):S145.
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  63. Rasmussen C, Kreider R, Ransom J, and et al. Creatine supplementation during pre-season football training does not affect fluid or electrolyte status. 46th Annual American College of Sports Medicine Annual Meeting 1999; DOI
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

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