• Shop AG1

    • AG1 ProNEW

      Advanced daily nutrition with creatine and more.

    • AG1 Next GenBest Seller

      Our flagship, clinically-backed formula.

    • AG1 Essentials Gummies

      Daily nutrition + 5g fiber in a tasty gummy.

    • Shop All

      Discover our member favorites here.

    Shop AGZ

    • AGZ for Sleep

      Melatonin-free sleep support.

    Additional Support

    • AG Omega3ENHANCED

      Support brain, heart, and immune health.

    • AG Omega3 + CoQ10NEW

      Support heart health, cellular energy, and healthy aging.

    • Vitamin D3 + K2

      Complement AG1 with additional support for immune and bone health.

    Try our AG1 Quiz
    • Research & Testing

      Clinical research and peer-reviewed science, explained.

    • Ingredients

      Understanding our science-backed ingredients.

    • Quality Standards

      The rigorous testing behind every batch.

    • Scientists

      Meet the experts behind our formulas.

    • Health Guides

      Science-backed guidance on nutrition, sleep, and more.

    • Blog

      The latest from our team on health, science, and wellness.

    • AG1 Membership

      Discover the benefits of being an AG1 member.

    • Reviews
Sign In
Shop
Science
Explore
Sign In
Try our AG1 Quiz

Shop AG1

  • AG1 ProNEW

    Advanced daily nutrition with creatine and more.

  • AG1 Next GenBest Seller

    Our flagship, clinically-backed formula.

  • AG1 Essentials Gummies

    Daily nutrition + 5g fiber in a tasty gummy.

  • Shop All

    Discover our member favorites here.

Shop AGZ

  • AGZ for Sleep

    Melatonin-free sleep support.

Additional Support

  • AG Omega3ENHANCED

    Support brain, heart, and immune health.

  • AG Omega3 + CoQ10NEW

    Support heart health, cellular energy, and healthy aging.

  • Vitamin D3 + K2

    Complement AG1 with additional support for immune and bone health.

  1. Home
  2. Health Guides
  3. Consumer Guide: Creatine
White powdered creatine monohydrate in a silver scoop against a black background.

Consumer Guide: Creatine

Your complete guide to dosing, loading options, hydration, and what to expect

Reviewed by: Carla Hernandez, RD, Manager, Nutrition and Scientific Education
6 Citations — 11/03/2026

Creatine monohydrate is one of the most researched and validated supplements in sports science. Creatine, formulated by AG1 uses Creavitalis®, is a high-purity creatine monohydrate. Creavitalis is ultrafiltrated to a finer particle size than standard creatine, improving solubility and tolerance. This guide covers how to use it safely and effectively.

In this article

  • 01.

    1. What Is Creatine and How Does it Work?

  • 02.

    2. Your Creatine, formulated by AG1

  • 03.

    3. Dosing Options: Gradual Route vs. Fast Route

  • 04.

    4. How Long Does Creatine Take to Work: Week by Week

  • 05.

    5. Staying Hydrated is an Important Factor

  • 06.

    6. Tips for Success: Daily Use & Best Practices

  • 07.

    7. Frequently Asked Questions

1. What Is Creatine and How Does it Work?

Creatine is a naturally occurring compound synthesized in the body from the amino acids arginine, glycine, and methionine, primarily in the liver and kidneys, or that comes from food or supplement sources. About 95% of your body’s creatine is stored in skeletal muscle, where it plays a direct role in the rapid regeneration of ATP (adenosine triphosphate), the primary energy currency your muscles use during high-intensity effort.1

When you exercise intensely — lifting weights, sprinting, jumping — your muscles burn through their instant energy supply within seconds. Consuming creatine builds up your body’s energy reserves, giving your muscles extra fuel so you can keep going stronger, longer.

Beyond the gym: what the science now shows

Creatine’s benefits extend well beyond athletic performance. Current clinical research supports its role in:

  • Muscle strength & recovery*
  • Cognitive function*
  • Cellular energy production*
  • Bone health*

Creatine is an excellent supplement but it is not a substitute for good nutrition, adequate sleep, and consistent exercise.

2. Your Creatine, formulated by AG1

Each serving of Creatine, formulated by AG1, is 5 grams of Creavitalis® creatine monohydrate. 5 grams is the most widely studied and used dose.1 It’s sufficient to saturate muscle creatine stores over time and to maintain saturation once achieved.

At a Glance

Serving size

5 grams - approximately 1.5 teaspoons

Form

Creavitalis® creatine monohydrate — ultrafiltrated to a finer particle size for superior solubility

Flavor / additives

Unflavored — mixes cleanly with AG1, water, or any beverage

When to take it

Any time of day — consistency matters more than timing

Stack with

Pairs naturally with AG1 daily drink, protein, or a carbohydrate-containing meal

3. Dosing Options: Gradual Route vs. Fast Route

You have two primary approaches to starting creatine supplementation: creatine loading or consistently taking the same dose. Both lead to the same result: saturated muscle creatine stores, but they get there at different speeds.2 Choose the option that fits your goals, timeline, and tolerance.3

Option A: Gradual Route

Another way to start taking creatine is to add 5 grams to your supplement routine. This means one 5 grams serving per day from Day 1, every day, indefinitely. Muscle creatine stores will reach full saturation in approximately 3–4 weeks rather than one week.

Who this protocol is best for

• People sensitive to GI discomfort or who have experienced bloating with creatine loading before

• Those without a specific performance goal who prefer a gentler start, where speed of saturation is less critical

• Anyone who simply prefers simplicity: one scoop, every day, done

Option B: Fast Route

A “creatine loading phase” is when people choose to take 20 grams of creatine per day for 5-7 days, taken as four separate 5-gram servings each day. The intent behind this loading option is that it quickly saturates your muscle creatine stores in approximately 5–7 days rather than the 3–4 weeks required with a low-dose approach.

Who this protocol is best for

People who want to feel results quickly, within one to two weeks, or who are preparing for a specific event or performance goal.

Splitting 20 grams into 4 x 5 gram doses throughout the day maximizes absorption and significantly reduces the risk of gastrointestinal discomfort (cramping, bloating, or loose stools). Be sure to drink plenty of water with each dose.

Figure 1. An example of the time to muscle saturation when starting creatine using either a creatine loading phase or consistent creatine intake.

Figure 1. An example of the time to muscle saturation when starting creatine using either a creatine loading phase or consistent creatine intake.

4. How Long Does Creatine Take to Work: Week by Week

Starting creatine is simple, but knowing what to expect along the way makes it much easier to stick with. Your body doesn't flip a switch overnight. Instead, creatine builds up in your muscles gradually, and the benefits show up in stages. Here's a week-by-week look at what's happening under the surface and what you're likely to notice, from that first bit of water weight to the steady strength and recovery gains that come with consistent use.

Week 1: The Building Phase

  • Your muscles are building up their creatine energy stores.
  • What you'll notice: A temporary 1-3 lb weight increase (this is just water inside your muscle cells, not fat).
  • You may feel slightly less tired during your final reps.

Week 2- 4: Full Energy Potential

  • Your muscle energy reserves are fully saturated.
  • What you'll notice: Better strength endurance, faster recovery between workout sets, and sharper mental focus.

Month 1-3: Long Term Benefits

  • You are maintaining peak creatine levels.
  • What you'll notice: Sustained strength, energy, and muscle health.
  • Note: Taking a few days off will cause your energy reserves to slowly drop back to baseline.

If you feel nothing after a week or two, that is normal. Creatine is not a stimulant, so there is no immediate effect to feel. Give it a full 4 weeks of daily use at 5 g before judging, and track something measurable, such as reps or training volume to have better visibility into progress.

5. Staying Hydrated is an Important Factor

Creatine draws extra water directly into your muscle cells to fuel them, which makes daily hydration essential.4

  • Your Daily Goal: Aim to meet your water goals each day when taking creatine.
  • Morning Habit: Start your day by dissolving your creatine in a full glass of water (at least 8 oz / 240 mL). It pairs seamlessly alongside your morning AG1 drink.
  • Quick Hydration Check: Use your urine color during the day to check your levels:
    • 🟡 Pale yellow: You’re well-hydrated!
    • 🟠 Dark yellow or amber: Time to drink a glass or two of water

You may need extra water if you work out heavily, sweat a lot, or live in a warm climate.

6. Tips for Success: Daily Use & Best Practices

Make It a Habit: Daily consistency is what keeps your muscle energy stores full. Taking creatine on your rest days from the gym will keep your muscles saturated. Missing 1–2 days won’t disrupt your progress, but regular gaps of 3+ days cause levels to drop. Pro-Tip: Take your creatine alongside your morning AG1 to build a seamless daily routine.

How to Mix: Stir or shake one serving into 8–12 oz of cold or room-temperature water, AG1, juice, coffee, or a protein shake. Avoid mixing with hot liquids, which can degrade creatine.

Avoid Stomach Upset: Always take creatine with food. If you experience mild stomach discomfort during a loading phase, switch to 5 grams per day or split your loading into 5 smaller 4 gram doses throughout the day.

For Women: Dosing is identical to men (5 grams daily). Minor water weight shifts during your cycle are normal. Research shows that creatine supports muscle preservation, bone, and cognitive health.5

For Adults 45+: Research shows that creatine may support muscle health while you age and mental health.6 Stick to the standard 5 grams daily dose, no age adjustments needed.

7. Frequently Asked Questions

Questions about your specific health situation?

For individualized guidance, always consult your healthcare provider.

Q: Can I take creatine every day?
A: Yes. Studies of up to 5 years of continuous creatine supplementation show no adverse effects in healthy adults.

Q: Is this creatine safe for vegetarians or vegans?
A: Yes, this creatine monohydrate from Creavitalis is suitable for vegetarian and vegan diets. Studies show these populations may benefit most from supplementation.

Q: Does creatine cause hair loss?
A: Current evidence does not support a causal link between creatine and hair loss.

Q: Will creatine make me look puffy or bloated?
A: Most people do not look or feel bloated; if anything, fuller muscles are a common observation. If you experience visible puffiness, increase your water intake. Check out more common misconceptions around creatine here.

Q: Can I mix creatine with caffeine?
A: Yes, taking both together is common and generally safe.

Q: Can I take creatine before bedtime?
A: Yes, you can take creatine at the time of the day that is most convenient for you. Consistency matters more than timing.

Q: What if I miss a day?
A: Simply resume your normal dose the next day; do not double-dose to compensate.

Q: Is creatine safe during pregnancy?
A: Consult a healthcare professional before using creatine if you are pregnant or nursing.

Q: When will I notice a difference?
A: Performance benefits typically become noticeable after full saturation: 1 week with loading, or 3–4 weeks without. Cognitive benefits may take slightly longer to perceive.

References:

  1. Kreider RB, Kalman DS, Antonio J, et al. International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. J Int Soc Sports Nutr. 2017;14:18. Published 2017 Jun 13. doi:10.1186/s12970-017-0173-z
  2. Antonio J, Candow DG, Forbes SC, et al. Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show? J Int Soc Sports Nutr. 2021;18(1):13. doi:10.1186/s12970-021-00412-w
  3. Ribeiro F, Longobardi I, Perim P, et al. Timing of Creatine Supplementation around Exercise: A Real Concern?. Nutrients. 2021;13(8):2844. Published 2021 Aug 19. doi:10.3390/nu13082844
  4. Powers ME, Arnold BL, Weltman AL, et al. Creatine supplementation increases total body water without altering fluid distribution. J Athl Train. 2003;38(1):44-50.
  5. Smith-Ryan AE, Cabre HE, Eckerson JM, Candow DG. Creatine Supplementation in Women's Health: A Lifespan Perspective. Nutrients. 2021;13(3):877. Published 2021 Mar 8. doi:10.3390/nu13030877
  6. Chun J, Liu Y, Kibler GL, et al. Effects of creatine supplementation with and without exercise and diet intervention on body composition, cognitive function, and markers of health in middle-aged and older adults. J Int Soc Sports Nutr. 2026;23(sup1):2716273. doi:10.1080/15502783.2026.2716273

SHOP

  • All Products
  • Bundles
  • AG1 Pro
  • AG1 Next Gen
  • AG1 Essentials Gummies
  • AGZ
  • AG Omega3
  • AG Omega3 + CoQ10
  • AG Vitamin D3+K2

SCIENCE

  • Research & Testing
  • Ingredients
  • Quality Standards
  • Scientists

EXPLORE

  • Health Guides
  • Blog
  • AG1 Membership
  • AG1 Reviews
  • AG1 vs Other Supplements

MORE ABOUT AG1

  • About Us
  • Leadership
  • Refer Friends
  • Partners
  • Healthcare Professionals
  • Impact Report
  • Accessibility Statement

CONTACT & SUPPORT

  • My Account
  • Track Your Order
  • Help
  • Careers
  • Product Authentication
  • Find in Store
  • Discounts
  • FAQs

Connect

Join Our Newsletter


© AG1


* 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.

Information on this site is provided for informational purposes only. It is not meant to substitute for medical advice from your physician or other medical professional. You should not use the information contained herein for diagnosing or treating a health problem or disease, or prescribing any medication. Carefully read all product documentation. If you have or suspect that you have a medical problem, promptly contact your regular health care provider.

**Valid 11/1/26 to 11/15/26. New subscribers only. $29 applies to the first shipment of a new monthly AG1 Essentials Gummies subscription; renews at $49 per month until canceled. Savings of $35 (55%) are based on the $29 promotional first order price compared to the $64 one time purchase price. Cannot be combined with other offers or applied to prior purchases.

**Limited time offer for new AG1 Next Gen and AG1 Pro subscriptions only. Cannot be combined with other offers, discounts, or applied to prior purchases. AG1 subscription required. While supplies last.

** AG1 Welcome Kit Offer valid for new AG1 subscribers only. AG1 Pro Welcome Kit included with the first AG1 Pro subscription order only. AGZ Frother Offer valid for first AGZ order only.

◊According to IQVIA Pro Voice Survey of 248 primary care physicians in December 2025.

‡Free shipping on subscription purchases for new U.S. customers only.

  1. In a triple-blind, randomized, placebo-controlled parallel-designed clinical trial evaluating nutrient biomarkers and microbiome shifts in 105 healthy adults ages 20-59 over the course of 12 weeks using the AG1 Next Gen formula.
  2. In a double-blind, randomized, placebo-controlled 2-week crossover clinical trial assessing nutrient gaps and microbiome shifts in 20 active adults ages 19-37 using the AG1 Next Gen formula.
  3. In a double-blind, randomized, placebo-controlled 2-week crossover clinical trial assessing nutrient gaps and microbiome assessments of 40 healthy adults with occasional GI distress ages 26-59 over the course of 4 weeks using the AG1 Next Gen formula.
  4. In a double-blind, randomized, placebo-controlled crossover clinical trial assessing nutrient gaps and bioavailability in 16 healthy adults ages 18-42 over the course of 8 hours using the AG1 Next Gen formula.
  5. In a third-party, single-arm, closed label interventional study of 104 healthy adults ages 25-59 assessing self-perceived efficacy of AG1 Next Gen over 3 months.
  6. In a third-party, open-label, randomized controlled clinical study of self-reported sleep and daytime sleepiness measures in 149 adults ages 26-59 taking AGZ over 30 days.

ΔTruemed eligibility and approval required. This link will take you to a third party website hosted by Truemed (the "Site"). Linking to this Site does not constitute an endorsement or approval by AG1 or any of its employees of the content, products, services or opinions on the Site. This is being provided as a convenience and AG1 bears no responsibility for the accuracy, legality or content of the Site or for that of any subsequent links on the Site. Contact the owners of the Site for answers to questions regarding its content.

Actual Packaging May Vary

AG1 is committed to making our website's content accessible and user friendly to everyone. If you are having difficulty viewing or navigating the content on this website, or notice any content, feature, or functionality that you believe is not fully accessible to people with disabilities, please email our team at support@athleticgreens.com.

Your privacy is our priority. Learn more:  

  • Privacy
  • Do Not Sell My Personal Info
  • Terms & Conditions
© AG1