Creatine and whey protein do different jobs, so the choice is rarely either-or. Whey is a milk protein that counts toward a daily target, which the ISSN puts at 1.4–2.0 g per kilogram of bodyweight for people who train. Creatine is not a protein; supplementing it raises the creatine and phosphocreatine stored in muscle by 20–40%, by the same society's figure. Meet protein from food first; use whey to close a gap.
The two are sold side by side and talked about as if they competed for one slot in the cupboard. They do not. One is a food that happens to come in a tub. The other is a compound an ordinary diet supplies a gram or two of a day, at a dose no ordinary diet reaches. This page sets them next to each other on the things that actually differ: what each one is, how much of it, what it changes, when the timing matters and who can leave it on the shelf.
It is written by a company that sells one of the two. TARE sells creatine and does not sell whey, and the protein advice below is the advice we would give if we sold neither: food first.
What is the difference between creatine and whey protein?
Whey is a protein from milk: about half of it by weight is indispensable amino acids and 11% is leucine, the ISSN protein position stand reports, and every gram counts toward the day's protein. Creatine is what the ISSN creatine stand calls a non-protein amino acid compound, made by the liver and kidneys at about 1 g a day (NIH Office of Dietary Supplements). It supplies no amino acids to anything. Its job is storage: about 95% of it sits in skeletal muscle, two thirds of that as phosphocreatine.
That stored phosphocreatine is the whole mechanism. When a hard set spends ATP, phosphocreatine gives up its phosphate to remake it within seconds; the creatine stand describes the energy released as a buffer for resynthesising ATP. Whey works on a different clock entirely: it is digested into amino acids that join the day's protein supply. One tops up a fuel reserve; the other is part of the diet. The full account of the creatine side is in what creatine monohydrate actually does.
Should I take creatine or whey protein?
Answer two separate questions, because neither supplement can stand in for the other. Protein: are you eating 1.4–2.0 g per kilogram a day? If yes, whey adds nothing a meal was not already doing; if not, more protein-containing food is the first fix and a scoop of whey the convenient second. Creatine: is your training built on short, hard efforts? Then a supplement is the only practical way to fill the store — about 20 g a day for a week, or 3 g a day for four weeks — because an ordinary diet supplies about 1–2 g.
The answers differ from man to man. Someone eating 1.8 g of protein per kilogram from meat, fish, eggs and dairy has no protein gap to close, and may still have a creatine store sitting at 60–80% of its ceiling, which is where the ISSN creatine stand puts an ordinary diet. Someone who eats little meat starts lower still — vegetarians have been reported to carry lower muscle creatine stores — and may have more room to fill. Neither supplement tells you which of those men you are. Three days of an honest food log does.
How much protein do you need before whey is worth buying?
The ISSN protein position stand (Jager et al., 2017) puts most people who train at 1.4–2.0 g per kilogram of bodyweight a day, against an adult RDA of 0.8. For an 85 kg man that is 119–170 g. The NIH Office of Dietary Supplements gives 100 g a day as the average adult man's intake in national survey data. On those two numbers an average eater of that size is 19–70 g short — one or two of the 20–40 g servings the ISSN recommends, from food or from a scoop.
Food first is not our phrase. The NIH Office of Dietary Supplements puts it plainly: “Athletes who require additional protein can obtain it by consuming more protein-containing foods.” The ISSN protein stand agrees that “it is possible for physically active individuals to obtain their daily protein requirements through the consumption of whole foods,” and presents a powder as a practical convenience for people with high training volumes rather than a requirement. Whey is a good food. It is still a food, and it is the one in this comparison with substitutes in every fridge.
Above the target, more protein buys little that anyone has measured. Morton and colleagues' 2018 meta-analysis in the British Journal of Sports Medicine pooled 49 randomised trials and 1,863 people taking protein supplements alongside resistance training: the added effect on lean mass stopped rising at a total intake of about 1.62 g/kg a day. That estimate came from 42 of the study arms, 723 people, and the two-phase fit behind it fell short of statistical significance (p = 0.079); its confidence interval ran from 1.03 to 2.20, wide enough that the authors suggested aiming nearer 2.2 g/kg to be confident of reaching the plateau. Past that line, a scoop is a convenience, not an upgrade.
Creatine is the other way round. The ODS fact sheet puts beef at about 2 g of creatine per pound, so matching a single 5 g serving from beef would take about 2.5 lb of it a day. That arithmetic is why research doses of creatine come from a tub, while research doses of protein can come from a plate.
Can you take creatine and whey protein together?
Yes, and the combination may help the creatine. The ISSN creatine stand reports that taking creatine with carbohydrate, or with carbohydrate and protein, has more consistently promoted creatine retention. In Steenge and colleagues' 2000 trial, 12 men retained 9.5 g of a day's 20 g of creatine when each 5 g dose was followed by 50 g of protein and 47 g of carbohydrate, against 7.6 g with a 5 g carbohydrate drink. That is a whole-body figure, worked out from urine collected over about 40 hours, not a muscle biopsy.
A shaker with both in it is fine on one condition: drink it when you make it. Creatine is stable as a dry powder but not in liquid, where it slowly folds into creatinine — the creatine stand records up to 21% converted over three days at 25 degrees Celsius in the more acidic solutions. Mix it when you are about to drink it, not the day before. Whether the shaker comes before or after the session matters less than the daily totals behind it; collagen and creatine together covers the same question for the other powder we sell.
Does timing matter for creatine or whey?
More for whey than for creatine. The ISSN protein stand recommends spreading protein across the day in doses of about 0.25 g per kilogram, or 20–40 g, every 3–4 hours, and leaves before or after training to individual tolerance. Creatine works on a store that fills over days to weeks, so the daily total matters far more than the hour: about 20 g a day for 5–7 days fills it fast, and 3 g a day for 28 days gets there without loading.
The evidence on creatine timing is small and splits both ways, which is why when to take creatine ends at consistency rather than at a clock, and why how much creatine per day spends its length on the two routes to a full store.
| Creatine monohydrate | Whey protein | |
|---|---|---|
| What it is | A non-protein compound the body makes at about 1 g a day (ODS); 95% stored in skeletal muscle (ISSN) | A milk protein; about half indispensable amino acids, 11% leucine (ISSN) |
| Typical dose | 3–5 g a day; an optional 5–7-day load at about 20 g a day (ISSN) | 20–40 g a serving, toward 1.4–2.0 g/kg a day of total protein (ISSN) |
| What it changes | Muscle creatine and phosphocreatine, up 20–40% from an ordinary diet's level (ISSN) | The day's protein intake, including the leucine and indispensable amino acids muscle protein synthesis runs on (ISSN) |
| When timing matters | Barely: the daily total fills the store | More: doses spread every 3–4 hours (ISSN) |
| What food supplies | About 1–2 g a day (ISSN); beef carries about 2 g a pound (ODS) | The whole daily target, if meals are planned for it (ISSN, ODS) |
| Who can skip it | Anyone whose training has no short, hard efforts; ODS says it seems to be of little value for endurance sport | Anyone already at their protein target from food |
| Sold by TARE | Yes — Base Work | No |
Is creatine a protein?
No. Creatine is one small molecule, not a chain of amino acids, and a 5 g scoop of it does not count toward a daily protein target. The body makes it from amino acids, chiefly arginine and glycine, and the ISSN creatine stand describes it as a non-protein compound found mainly in red meat and seafood. Whey is protein; its competition is the protein on a plate, not creatine. That is the whole reason the two answer different questions.
The same distinction settles a question we get about the collagen we sell: grams of protein on a panel are not all the same grams, and collagen vs whey protein tells you, against our own product, to buy whey if your goal is protein quality.
What the research does not show
Both dose ranges on this page are syntheses of the trial literature, not measurements of any one person. The ISSN's 1.4–2.0 g/kg is offered as sufficient for most exercising individuals; the NIH fact sheet's range for athletes starts lower, at 1.2. Two careful bodies drawing different floors is a reminder that the edge of a range is a judgement, and that a man at 1.3 g/kg is not short in any sense a trial has measured.
The survey figure is an average. 100 g a day describes adult men as a whole, trained and untrained, and says nothing about the man reading this; a food log of three ordinary days is a better number than either of ours.
The creatine-with-protein finding is small and short. Steenge's trial had 12 men, gave each regimen as 20 g of creatine on one occasion, estimated retention from the creatine that did not come out in urine over about 40 hours rather than by sampling muscle, and was funded by a sports-supplement company. It shows a protein-and-carbohydrate drink did not get in the creatine's way and probably helped it. It does not show that adding whey to creatine changes anything you would notice in training.
And the 20–40% rise in muscle creatine is an average across people who start in different places. A man whose diet already holds his store near the top of the 60–80% range has less room to fill, and will see less.
Where Base Work sits. TARE sells creatine and does not sell whey. Base Work is creatine monohydrate, one ingredient, unflavoured, 300 g, 5 g a day, 60 servings, and it goes into a protein shake as easily as into water. The raw material was measured by an independent laboratory (Ethos Analytics, for Vox Nutrition; raw-material lot CM20251225A; the powder made by Accobio USA Inc.) at 99.87% creatine monohydrate against a greater-than-99.5% specification. That certificate covers raw material, not a finished TARE tub, as the testing page sets out. Base Work does not ship to New York addresses; the shipping policy gives the reason. If protein is the gap, food closes it first.
More in this cluster: every supplement form we compare, the creatine research summary, how to choose a creatine supplement and the supplement label glossary. The creatine form pages — HCl, micronized, ethyl ester and buffered — each end at the same verdict.
Sources
- Jager R, Kerksick CM, Campbell BI, et al. J Int Soc Sports Nutr 2017;14:20. PubMed 28642676
- Kreider RB, Kalman DS, Antonio J, et al. J Int Soc Sports Nutr 2017;14:18. PubMed 28615996
- NIH Office of Dietary Supplements. Dietary Supplements for Exercise and Athletic Performance: Fact Sheet for Health Professionals. NIH Office of Dietary Supplements
- Morton RW, Murphy KT, McKellar SR, et al. Br J Sports Med 2018;52(6):376-384. PubMed 28698222
- Steenge GR, Simpson EJ, Greenhaff PL. J Appl Physiol 2000;89(3):1165-1171. PubMed 10956365