The Health Hercules Water Bottle is built from 100% stainless steel - body, lid, and all components. The only non-metal part is a food-grade non toxic silicone seal for a watertight fit - no plastic liners, no plastic lids, no hidden polymers. Unlike anything else on the market, every surface that touches your water is steel, which means zero microplastics in every sip.
Most "stainless steel" bottles still use plastic lids or plastic-lined caps - the exact part that contacts your mouth. We eliminated that entirely. Available in 1L for daily carry and gym sessions, or 2L with double-wall vacuum insulation to keep your water cold for hours. If you're optimising your health through sauna, cold plunge, and clean living, your water bottle shouldn't be working against you.
WHY 100% STAINLESS STEEL?
Most water bottles use plastic lids, plastic-lined caps, or plastic seals - the parts that directly contact your mouth and water. Every time plastic meets water, microplastics can leach in, and that risk increases with heat and sunlight. Our bottle is built from 100% stainless steel across every component that touches your water, with only a food-grade non-toxic silicone seal for a watertight fit. No plastic anywhere.
30-Day Money Back Guarantee
Order a pair and use them in real sessions. If you do not feel more comfortable and protected within 30 days, return them for a full refund.
Return shipping is covered by the customer.
WHAT'S INCLUDED?
1x 100% stainless steel water bottle in your selected size (1L or 2L), with stainless steel lid and food-grade silicone seal fitted.
Shipping information
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. We ship worldwide. Orders are dispatched fast, then delivery time depends on your location. As a general guide, allow 8 business days after your shipping confirmation.
CARE & MAINTENANCE
Dishwasher safe. For best results, rinse after each use. No special care required.
YOUR WATER IS ONLY AS CLEAN AS WHAT YOU DRINK IT FROM.
Most water bottles labelled "stainless steel" still use plastic lids, plastic-lined caps, or silicone spouts - the exact parts that touch your mouth with every sip. Every time plastic meets water, microplastics leach in. The Health Hercules Water Bottle is built from 100% stainless steel across the body, lid, and all components, with only a food-grade non-toxic silicone seal for a watertight fit. No plastic anywhere. Whether you're hydrating at the gym, between sauna rounds, or throughout your day, nothing touches your water but steel.
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
WHY 100% STAINLESS STEEL INSTEAD OF PLASTIC-LINED?
Most bottles marketed as "stainless steel" still use plastic lids, plastic seals, or plastic-coated caps. That means every sip passes over plastic, which can leach microplastics into your water - especially when exposed to heat or sunlight. Our bottle eliminates plastic entirely from every surface that contacts your water.
WHAT ABOUT THE SILICONE SEAL?
The only non-metal component is a food-grade, BPA-free, phthalate-free, non-toxic silicone seal for a watertight fit. Silicone is not plastic - it's derived from silica and does not leach microplastics or harmful chemicals into your water.
WHAT'S THE DIFFERENCE BETWEEN THE 1L AND 2L?
The 1L is a single-wall build - lightweight and built for daily carry, gym sessions, and sauna days. The 2L is double-wall vacuum insulated, keeping your water cold for hours and resisting condensation on the outside.
WILL MY BOTTLE GET HOT IN THE SAUNA?
Stainless steel will only absorb a small amount of ambient heat. The 2L double-wall model handles this better - the vacuum insulation keeps your water cold inside even as the outer wall heats up. For the 1L single-wall, your water will gradually warm over a longer session. Either way, unlike plastic bottles, steel won't leach chemicals or microplastics as it heats up - that's the whole point.
IS IT DISHWASHER SAFE?
Yes. Both the 1L and 2L are fully dishwasher safe - body, lid, and all components. No special care required.
Customer Reviews
Got into serious sauna practice from health podcasts and a proper metal water bottle was consistently mentioned as essential kit. Now I know why.
Saw this mentioned in a longevity forum after I got obsessed with optimizing my heat exposure protocol. Exactly what I needed — quality metal bottle, no gimmicks.
The material is noticeably premium. You can tell this isn't cheap plastic or thin aluminium garbage — it's proper 100% metal and it performs completely differently in the heat.
My sauna water bottle works well!
I like the engraved logo
The capacity is generous — 750ml is plenty for a full session and then some
The only complaint I have is the logo engraving isn't perfectly centred. Otherwise the quality seems good. There are some minor scuff marks on the inside of the cap from manufacturing but the bottle is a functional tool not a fashion statement!
I did expect a matte finish from the initial photos but the brushed metal is fine!
Would recommend if you're needing an affordable metal sauna bottle, give this a try!
(I also got the very first edition so quality control is likely to improve over time for the little complaints I had)
After going down the biohacking rabbit hole I got serious about my sauna practice. This bottle was the missing piece for proper high-heat sessions. Recommended by half the longevity community for a reason.
Ordered this on a whim and honestly it's one of the best purchases I've made this year. The metal is incredibly solid and it does exactly what it promises. Already told three friends to buy one.
I have a traditional Finnish sauna at home and this bottle is absolutely the right tool for it. Proper 100% metal construction, handles sitting in 100°C without any issues whatsoever.
I was getting dehydrated during long sauna sessions — headaches, fatigue, dry mouth. This bottle has been a total game changer. I feel so much better now staying hydrated through every round.
Started my sauna habit after listening to way too many Huberman Lab episodes. This bottle made my sessions dramatically more comfortable and effective. Should've bought it sooner.
Steam room, dry sauna, infrared — I've tested this in all three and it works across the board. The metal handles extreme temps really well without transferring heat to the water.
Mate, proper metal construction is the gold standard. Glad someone is actually making sauna bottles out of 100% metal instead of cheap plastic rubbish.
Mate recommended this after I complained about getting dehydrated in the sauna. Bottle makes a legit difference — water stays ice cold and I can push through longer sessions. Ripper product.
Metal naturally resists odour and after a dozen sauna sessions this bottle still tastes clean. That's more than I can say for the plastic bottle I had before.
I do multiple sauna sessions a week and the bottle genuinely doesn't develop any taste or smell. It's 100% metal — no plastic leaching. Massive practical advantage over plastic alternatives.
Bought this on a whim and genuinely wish I'd had it years ago. I used to get headaches and feel wiped out after the sauna from dehydration. Having cold water on hand completely solved both problems.
Solid sauna water bottle. Works well, keeps water cold, and the metal quality is legit. The only thing I'd mention is the insulation is slightly less than I expected based on the product description. Does the job but could hold the cold a touch longer for the extreme Finnish sauna temps I do.
The first time I used it I noticed immediately I could stay in longer without that awful dizzy feeling. You dehydrate fast in there and having ice cold water on hand actually prevents it.
I was skeptical a water bottle would make that much difference but wow — staying in the sauna for longer has never been easier. The double-walled metal keeps my water ice cold without any plastic taste.
Four stars because while the bottle is great, I expected the inside finish to be more polished. It's fine and works perfectly but looks a bit rough on the interior. Exterior looks premium. Still a good buy.
I've gone from 12-minute sessions to 20+ minute rounds since getting this. Having cold water in the sauna genuinely extends what's comfortable. Really happy with the purchase.
Great product, the metal quality is clearly premium and it does the job well. Only reason I'm not giving five stars is that the capacity is a bit small for me — I drink a lot during sessions. May not be enough for some people. Still a really solid bottle.
Five stars easy. I do infrared sauna 4x a week and this bottle is now essential gear. The metal doesn't hold any taste or smell either which is a huge plus.
