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110 reviews

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Blood test membership
InsideTracker Membership + Ultimate Blood Test, manufacturer product image
Photo: InsideTracker

InsideTracker

Membership + Ultimate Blood Test

US/Canada new-customer bundle: annual membership plus one Ultimate blood test, $489

Blood test of up to 54 biomarkers plus a yearly Action Plan membership

$489US price, checked
Read review →Different type, so it can’t join this comparison
Under sink reverse osmosis
iSpring RO500AK-BN Tankless Reverse Osmosis System, manufacturer product image
Photo: iSpring

iSpring

RO500AK-BN Tankless Reverse Osmosis System

RO500AK-BN tankless, 500 GPD, 2:1 pure-to-drain ratio, 3-stage with alkaline remineralization, brushed nickel faucet; system only, without the UVF8 UV add-on

Tankless 500 GPD reverse osmosis with an alkaline stage, NSF 58 certified for TDS

$692.99US price, checked
Read review →Different type, so it can’t join this comparison
Whole house filter
iSpring WGB32B Whole House Water Filter System, manufacturer product image
Photo: iSpring

iSpring

WGB32B Whole House Water Filter System

WGB32B base model: 3 stages, 20 in × 4.5 in cartridges (5-micron PP sediment plus two CTO coconut-shell carbon blocks), 1-inch female NPT, 15 GPM. Not the WGB32BM, WGB32B-PB or WGB32B-KS versions iSpring points to for iron, lead and other metals

Three-cartridge whole-house filter for chlorine and sediment at up to 15 GPM

$516.99US price, checked
Read review →Different type, so it can’t join this comparison
Portable air purifier
Levoit Core 300-P, manufacturer product image
Photo: Levoit

Levoit

Core 300-P

US Core 300-P

Small-room air purifier for spaces up to 222 ft², with a $29.99 filter

$104.99US price, checked
Read review →Different type, so it can’t join this comparison
Portable air purifier
Levoit Vital 200S-P, manufacturer product image
Photo: Levoit

Levoit

Vital 200S-P

Vital 200S-P, Black / LAP-V201S-WUS

App-controlled purifier for rooms up to 388 ft², with a $49.99 filter

$199.99US price, checked
Read review →Different type, so it can’t join this comparison
Gravity pitcher
LifeStraw Home 7-Cup Glass, manufacturer product image
Photo: LifeStraw

LifeStraw

Home 7-Cup Glass

7-Cup Glass, White

Glass water filter pitcher with WQA-certified lead and microplastics reduction

$64.95US price, checked
Read review →Different type, so it can’t join this comparison
Portable infrared blanket
MiHIGH Infrared Sauna Blanket, manufacturer product image
Photo: MiHIGH

MiHIGH

Infrared Sauna Blanket

portable far-infrared blanket, cream or black

Budget far-infrared blanket with no published wattage or US safety listing

$179US price, checked
Read review →Different type, so it can’t join this comparison
Creatine
Momentous Creatine, manufacturer product image
Photo: Momentous

Momentous

Creatine

Unflavored 90-serving jar, 15.8 oz (450 g), 5 g Creapure creatine monohydrate per scoop

Single-ingredient Creapure creatine with an NSF Certified for Sport listing

$42.99US price, checked
Read review →Different type, so it can’t join this comparison