Amazon Prime Day 2024: Best deals on health & fitness gear, optics and science kit

Multiple science products displayed on a blue background with the live science prime day deals logo in the top left corner
(Image credit: Future, Celestron, Molekule, Meta, Swift, Oral-B, Samsung)

Amazon Prime Big Deal Days 2024 has finished, but some of the deals are still live today, bringing heaps of amazing discounts on a range of fitness and science essentials.

We are continuously scouring Amazon and other major retailers for the best offers on health and science kit like air purifiers, fitness trackers, treadmills, electric toothbrushes, telescopes, microscopes, binoculars and more. We are also keeping an eye on price drops on some of our favorite brands, like Garmin, Fitbit, Apple, Celestron, AmScope and Sony.

Or, maybe you are considering investing in a new bit of kit and want to do more research first. You may be wondering whether you Should buy a Garmin this Prime Day or should you buy an air purifier? If so, we have weighed up the pros and cons of whether it's better to buy now or wait for a later sales event to avoid missing an even better deal.

Amazon Prime Big Deal Days 2024 Quick List

Amazon Prime Day air purifier deals

BlueAir Blue Pure 411i Max
Editor's pick
BlueAir Blue Pure 411i Max: was $169.99 now $113.99 at Amazon

Save $56 on the excellent BlueAir Blue Pure 411i Max. This compact air purifier offers great air-cleaning performance and a sleek, user-friendly design. It also comes with an air quality sensor and auto mode, and it has plenty of smart features, too. We named it as the best budget option in our guide to the best air purifiers.

Read our full BlueAir Blue Pure 411i Max review

Featured in: Best air purifiers

Levoit Core 600S-P
Levoit Core 600S-P: was $299.99 now $249.99 at Amazon

Save $50 on this smart-enabled air purifier, which we named as the best overall in our guide to the best air purifiers. With a three-stage HEPA filtration system perfect for removing all kinds of pollutants, and up to 1,588 square feet coverage, the Levoit Core 600S-P is a great choice for large spaces.

Read our full Levoit Core 600S review

Featured in: Best air purifiers, Best air purifiers for allergies

BlueAir DustMagnet 5440i air purifier
BlueAir DustMagnet 5440i air purifier: was $319.99 now $227.99 at Amazon

Save $82 on this tabletop air purifier from BlueAir. Sleek, powerful and whisper-quiet, the DustMagnet 5440i is a great go-to for medium- to large-sized rooms and we love the brand, having tested several of their air purifiers.

Molekule  Air Mini+
Molekule Air Mini+: was $359.99 now $229.99 at Amazon

Save 36% on the smaller version of the Molekule Air Pro, a medically graded air purifier that we named as the best option for large rooms in our guide to the best air purifiers. This compact appliance features patented pollutant-destroying PECO technology and a HEPA filter, and it offers some of the best air quality readings we have seen in a commercial air purifier.

Coway 400 Air Purifier
Coway 400 Air Purifier: was $470.43 now $349 at Amazon

Save 26% on this ultra-powerful COWAY Air Purifier. This beast of an appliance covers up to 3,120 square feet, and thanks to its two sets of washable pre-filters and True HEPA Filters, it does a fabulous job at trapping pollutants like smoke particles, traffic emissions and airborne allergens.

Molekule Air Pro
Molekule Air Pro: was $999.99 now $614.99 at Amazon

Save 38% on the Molekule Air Pro, one of the most powerful air purifiers we have tested. This sleek appliance features patented pollutant-destroying PECO technology, a HEPA filter, detailed air quality readings and plenty of smart features, and it can cover spaces of up to 1000 square feet (92.9 square meters). We named is as the best option for large rooms in our guide to the best air purifiers.

Read our full Molekule Air Pro review

Featured in: Best air purifiersBest air purifiers for allergies

Amazon Prime Day electric toothbrush deals

Oral-B Genius X Limited
Oral-B Genius X Limited: was $199.99 now $99.99 at Amazon

50% off Our all-time favorite electric toothbrush is now half-price at Amazon. Rated at an impressive 4.5 out of 5 stars in our Oral-B Genius X review, this smart gadget boasts a stylish design, long battery life and plenty of AI-powered smart features to help you improve your brushing technique. The cherry on top? It comes with a spare brush head and a handy travel case.

Read our full Oral-B Genius X review

Featured in: Best electric toothbrushes

Oral-B iO Series 5
Oral-B iO Series 5: was $149.99 now $99.99 at Amazon

Save 20%. The Oral-B iO Series are some of the best electric toothbrushes out there, especially when it comes to smart features, brushing performance and AI-powered brushing personalization. They do not get discounted that often, so snap this early Prime Day deal while it lasts.

Philips Sonicare Sonicare ProtectiveClean 5300
Philips Sonicare Sonicare ProtectiveClean 5300: was $109.96 now $59.95 at Amazon

Save 45% on the Philips Sonicare ProtectiveClean 5300 in black, one of the best-rated grooming essentials on the Amazon website. This sleek electric toothbrush boasts a powerful motor, up to 14 days of battery life, a pressure sensor, three cleaning modes, two spare brush heads and a handy travel case.

Oral-B iO Series 10
Oral-B iO Series 10: was $379.99 now $279.99 at Amazon

Save $100 on one of the most technologically advanced toothbrushes money can buy. The Oral-B iO Series 10 has it all: excellent brushing performance, a pressure sensor, multiple cleaning modes, heaps of smart features and more. This model does not get many discounts, so grab this deal until it lasts.

Read our full Oral-B iO Series 10 review

Featured in: Best electric toothbrushes

Oral-B iO Series 9
Oral-B iO Series 9: was $299.99 now $239.94 at Amazon

Save 20% ahead of Prime Day on one of the best electric toothbrushes money can buy. Equipped with advanced AI-powered technology and a pressure sensor, the Oral-B iO Series 9 offers a highly personalized brushing experience and a wealth of premium features. It looks great on the bathroom shelf, too.

Read our full Oral-B iO Series 9 review

Featurd in: Best electric toothbrushes

Bitvae R2 Rotating Electric Toothbrush
Bitvae R2 Rotating Electric Toothbrush: was $34.99 now $24.99 at Amazon

Save 29% on the Bitvae R2, our favorite budget electric toothbrush. We gave this model a strong 4.5/5 rating and included it in our guide to the best electric toothbrushes. The Bitvae R2 comes with a whopping 8 brush heads, five cleaning modes and up to 60 days of battery life. Available in multiple color options.

Read our full Bitvae R2 Rotating Electric Toothbrush review

Featured in: Best electric toothbrushes

Amazon Prime Day fitness tracker deals

Garmin Forerunner 945
Garmin Forerunner 945: was $599.99 now $299.99 at Walmart

Save $300 on this incredible smartwatch with fantastic battery life and a whole host of features — 14 days of battery life, GPS-enabled, waterproof and comfortable to wear. We liked it so much we gave it a solid 4.5/5 star rating.

Read our full Garmin Forerunner 945 review

Samsung Galaxy Watch 6
Samsung Galaxy Watch 6: was $329.99 now $169.99 at Amazon

Save 46% on one of the best-looking smartwatches around. The Samsung Galaxy Watch 6's performance is now even better thanks to a new CPU chip and increased RAM.

Read our full Samsung Galaxy Watch 6 review

Featured in: Best fitness trackers

Editor's note 09/10: This model is now at its lowest-ever price.

Garmin Venu 2S
Garmin Venu 2S: was $399.99 now $289.99 at Amazon

Save 28% on the smaller size version of the Garmin Venu 2 smartwatch, one of the best Garmin watches we have tested. With its comfortable strap, sleek design and plenty of health tracking features, it is one of the best fitness trackers for daily use.

Amazfit Active
Amazfit Active: was $109.99 now $80.74 at Amazon

Save 27% on the Amazfit Active smartwatch, our favorite fitness tracker under $150. It is exceptionally compact and comfortable to wear, it is packed to the brim with fitness tracking features, and its crisp, colorful display is hard to match in this price range. With this early Prime Day deal, the Amazfit Active is more affordable than ever before.

Read our full Amazfit Active review

Featured in: Best fitness trackers

Editor's note 08/10: The Amazfit Active is now the cheapest it has ever been.

Oura Ring Gen 3
Oura Ring Gen 3: was $349 now $278.18 at Amazon

Save $79 on our favorite smart ring. This compact and lightweight fitness tracker is a more discreet alternative to chunky smartwatches, and it offers heaps of valuable insights into your sleep, stress and general fitness. Available in a wide range of sizes and colors.

Read our full Oura Ring Generation 3 review

Featured in: Best fitness trackers

Amazfit Balance
Amazfit Balance: was $199.99 now $166.75 at Amazon

Save 17% on the stylish and ultra-light Amazfit Balance, our favorite fitness tracker for stress management. As its name clearly indicates, this smartwatch is designed to help you strike a perfect balance between physical activity and rest, with features like breathing exercises, daily exercise suggestions and heart rate variability measurements.

Read our full Amazfit Balance review

Featured in: Best fitness trackers

Editor's note 09/10: The Amazfit Balance is now at its lowest-ever price.

Amazon Prime Day rowing machine deals

NordicTrack RW900 Smart Rower
NordicTrack RW900 Smart Rower: was $1,599 now $1,004 at Amazon

Save 37% and get 30 days of iFit included with this fantastic rowing machine from NordicTrack, the creator of some of our favorite exercise machines to lose weight. This ultra-sturdy rower comes with powerful magnetic resistance and a 10-inch interactive display.

Echelon Smart Rower
Echelon Smart Rower: was $999.99 now $767.99 at Best Buy

Save $232 on the Echelon Smart Rower. We named it as the best option for small spaces in our guide to the best rowing machines on the market. It combines compact, foldable design with excellent rowing experience, and it is quiet, too.

Read our full Echelon Smart Rower review

Featured in: Best rowing machines

Merach Q1S Rowing Machine
Merach Q1S Rowing Machine: was $399.99 now $199.99 at Amazon

Save 50% on this magnetic rowing machine. Quieter functioning due to the magnetic flywheel and free courses and programmed exercises with the Merach app make this a bargain.

Editor's note 08/10: Get a further 5% off with a coupon.

Amazon Prime Day exercise bike deals

Image
was $1,445 now $1,228.24 at Amazon

Save 15% this Prime Day on the bestselling Peloton bike. There is plenty to like about this iconic exercise machine — it is sturdy, sleek and easy to use, and it offers some of the best exercise classes on the market. We named it as the best option overall in our guide to the best exercise bikes you can buy in 2024.

Read our full Peloton bike review

Featured in: Best exercise bikes

Matrix ICR50 Exercise Bike
Matrix ICR50 Exercise Bike: was $1,398 now $999 at Best Buy

Save $399 on this excellent exercise bike from Matrix, the maker of some of the best gym-grade exercise machines on the market. This stylish machine offers exceptional durability, crisp 22-inch interactive display and ultra-realistic resistance range.

YOSUDA Pro Magnetic Exercise Bike
YOSUDA Pro Magnetic Exercise Bike: was $399.99 now $319.99 at Amazon

Save $80 on this sleek machine from YOSUDA, the maker of our favorite budget exercise bike. This no-frills machine is sturdy, quiet and comfortable to ride, and it can be easily adjusted to fit your height and arm's spread.

Amazon Prime Day running headphones deals

Amazon Echo Buds
Amazon Echo Buds: was $119.99 now $34.99 at Amazon

Save a massive 71% on these ultra-compact Amazon earbuds with active noise cancellation. Light and comfortable to wear, this wallet-friendly set comes with up to 15 hours of battery life, two color options and crisp, dynamic sound to power up your workouts.

Apple AirPods Pro 2
Apple AirPods Pro 2: was $249.99 now $168.99 at Amazon

Save $80 on our favorite Apple AirPods Pro 2. These ultra-compact and comfortable earbuds come with up to 30 hours of battery life, and they can automatically pair to your iPhone and switch between Apple devices including Mac, iPad, and even Apple Watch.

Read our full Apple AirPods Pro 2 review

Jabra Elite 8 Active
Jabra Elite 8 Active: was $199.99 now $169.99 at Amazon

Save 15% on our all-time favorite running earbuds. One of the very few models that we gave a full five-star rating, the Jabra Elite 8 delivers a truly excellent user experience. They are comfortable to wear, they have a long battery life, and most importantly, they offer fantastic sound quality — all at a reasonable price.

Read our full Jabra Elite 8 Active review

Featured in: Best running headphones

Amazon Prime Day laptop deals

Apple MacBook Air M3 (13-inch)
Apple MacBook Air M3 (13-inch): was $1,099 now $849 at Amazon

Save $250 on the latest Apple MacBook Air, complete with an M3 chip and lightweight chassis that's perfect for just about any task you throw at it.
Editor's note Oct 8: This deal is $100 cheaper than July Prime Day

Apple MacBook Air M3 (15-inch)
Apple MacBook Air M3 (15-inch): was $1,699 now $1,424 at Amazon

Save $275 on the latest Apple MacBook Air 2024, this 15-inch version is ideal for those who need more space on the screen while working.

Amazon Prime Day telescope deals

If you're on the hunt for one of the best telescopes during the Amazon Prime Big Deal Days, make sure you also check out our prime day telescope deals hub for all the cheapest deals.