Creatine for Hard Work: Power, Strength, Sharpness and Recovery on the Job

Built by a firefighter. Made for the job.

Creatine isn't just for the gym. It's for the job. Framing a wall, pulling wire, hiking hose up a ridgeline, stacking block, dragging a charged line: that's hundreds of short, hard efforts a day. Your muscles run those efforts on a fast energy system, and creatine is the fuel behind it. Pro athletes have used creatine for decades. We think the people doing the real work deserve it too.

What creatine actually is

• Your body already makes it. Your liver, kidneys and pancreas make about 1 g a day from amino acids, and you get a little more from meat and fish.¹
• Most of it lives in your muscle. About 95% is stored in skeletal muscle, mostly as phosphocreatine.¹
• It rebuilds your quick energy. Every hard effort burns ATP, your muscles' immediate fuel. Phosphocreatine helps regenerate ATP fast so you can keep going.¹
• Monohydrate is the gold standard. It's the most researched form of creatine there is, and the only one we use, at a full 5 g dose.¹

The four pillars: creatine on the job

1. Power on the job

Swinging a sledge, sprinting a ladder, throwing a bale, forcing a door: those are short, explosive efforts. Creatine helps your muscles regenerate ATP during short, high-intensity work, which supports power output.¹ More snap in the hard moments, rep after rep.

2. Strength on the job

Daily creatine builds your muscle creatine stores, which supports strength and work capacity over time.¹ That means carrying, lifting and pulling with more left in the tank late in the day. Creatine supports the strength you use at work. It doesn't do the work for you.

3. Sharpness on the job

Your brain uses creatine for energy too. Research suggests creatine may support mental performance when the brain is under stress, like sleep loss, long hours and fatigue.^3,4,5 In one controlled study, a single high dose of creatine (well above a normal daily serving) helped sleep-deprived adults hold onto processing speed and short-term memory overnight.⁵ Reviews find the clearest benefits when people are stressed or short on sleep, with smaller or mixed results in well-rested people.³ On the 14th hour of a shift, staying sharp matters, and creatine may help support mental energy when you're running on fumes.

4. Recovery after the job

Daily creatine supports muscle recovery after strenuous work and repeated hard efforts.^1,2 Topped-off creatine stores plus replaced electrolytes help you start the next shift ready, not behind.

Why we put electrolytes with creatine

Creatine works with water. When creatine moves into a muscle cell, it brings water with it. That's called cell volumization, and it's part of how creatine works.^1,2 If you're sweating through a shift in July, you're already losing fluid fast.

Sodium helps move creatine into the cell. Creatine gets into muscle through a sodium-dependent transporter (CreaT, gene SLC6A8).^6,7 Sodium and potassium are the main minerals that keep fluid balanced inside and outside your cells. Short version: your body uses the same minerals you sweat out to hold water and move creatine where it needs to go.

Sweat drains those minerals. 670 mg of sodium helps replace the main electrolyte lost in sweat. So we built one stick that covers both:

• 5 g creatine monohydrate
• 670 mg sodium
• 180 mg potassium
• 90 mg magnesium
• Zero sugar. Zero caffeine.

To be clear: creatine doesn't hydrate you. Water and electrolytes do. Creatine needs good hydration to do its job, and that's why we paired them.

The heat myth, busted. For years people said creatine causes cramps or dehydration. Controlled research at recommended doses hasn't shown that. A meta-analysis found no evidence that creatine hurts heat tolerance or fluid balance during exercise in the heat.^8,9 You still need to drink plenty of water.

How to take it

1. One stick a day in 16–32 oz of water.
2. Every day, including days off. Creatine works by building up.
3. No loading phase. 3–5 g a day is the standard approach.¹
4. Give it 3–4 weeks to fill your muscle stores.¹
5. Any time works. Taking it daily matters more than timing.
6. Keep drinking water all day, especially in the heat.

Who it's for

Linemen, roofers, framers, welders, ironworkers and mechanics. Wildland and structure firefighters, EMS and military. Ranch hands, farmers, landscapers, warehouse and dock crews. Anyone who works long shifts in the heat, and anyone who trains on top of it. Talk to your doctor first if you're under 18, pregnant or nursing, have a medical condition, or take medication.

FAQ

I'm not a gym guy. Is creatine for me?
Yes. Creatine supports the short, hard efforts your muscles make all day: lifting, pulling, climbing. That's your job.

Will creatine dehydrate me or cause cramps in the heat?
Controlled research at recommended doses hasn't shown increased dehydration or cramping risk, including during exercise in the heat.^8,9 Stay on top of your water.

Does creatine help me think straight on long shifts?
Research suggests creatine may support mental performance under stress like sleep loss and fatigue. It isn't a stimulant, and it won't replace sleep.

Is there caffeine in it?
None. Take it before a night shift or after a 16-hour day.

Will I gain weight?
Some people gain a pound or two early on, mostly water stored inside muscle.^1,2

Is it safe to take every day?
Creatine monohydrate is one of the most studied supplements out there and is generally considered safe for healthy adults at recommended doses.^1,2 Check with your doctor if you have a medical condition.

Built to be trusted

• ★ 4.8 stars on Amazon from 1,000+ reviews
• Every batch third-party tested at an ISO 17025-accredited lab
• Made in an FDA-registered, NSF-certified facility
• 30-day money-back guarantee · HSA/FSA eligible

Power. Strength. Sharpness. Recovery. One stick.

5 g creatine monohydrate plus real electrolytes, zero sugar, zero caffeine. Blue Raspberry or Lemon Lime.

Shop Fire Salt Electrolytes + Creatine →

Sources

1. Kreider RB, 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. doi:10.1186/s12970-017-0173-z
2. Antonio J, et al. Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show? J Int Soc Sports Nutr. 2021;18:13. doi:10.1186/s12970-021-00412-w
3. Avgerinos KI, et al. Effects of creatine supplementation on cognitive function of healthy individuals: a systematic review of randomized controlled trials. Exp Gerontol. 2018;108:166–173. doi:10.1016/j.exger.2018.04.013
4. McMorris T, et al. Effect of creatine supplementation and sleep deprivation, with mild exercise, on cognitive and psychomotor performance, mood state, and plasma concentrations of catecholamines and cortisol. Psychopharmacology. 2006;185:93–103. doi:10.1007/s00213-005-0269-z
5. Gordji-Nejad A, et al. Single dose creatine improves cognitive performance and induces changes in cerebral high energy phosphates during sleep deprivation. Sci Rep. 2024;14:4937. nature.com/articles/s41598-024-54249-9
6. Snow RJ, Murphy RM. Creatine and the creatine transporter: a review. Mol Cell Biochem. 2001;224:169–181. doi:10.1023/A:1011908606819
7. Wyss M, Kaddurah-Daouk R. Creatine and creatinine metabolism. Physiol Rev. 2000;80(3):1107–1213. doi:10.1152/physrev.2000.80.3.1107
8. Lopez RM, et al. Does creatine supplementation hinder exercise heat tolerance or hydration status? A systematic review with meta-analyses. J Athl Train. 2009;44(2):215–223. doi:10.4085/1062-6050-44.2.215
9. Dalbo VJ, et al. Putting to rest the myth of creatine supplementation leading to muscle cramps and dehydration. Br J Sports Med. 2008;42(7):567–573. bjsm.bmj.com/content/42/7/567

*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.