“Based on what I see for sale online, this has some of the highest quantity mgs of ingredients for the best possible price. Since my doc recommends this brand, I'm doubly sold.”
Parsley Health Glass Water Bottle
Designed for everyday wellness, this eco-friendly water bottle is perfect for home, work, workouts, or travel.
- Made from durable, extra-thick glass
- Features a protective silicone sleeve for easy grip
- Screw-top lid includes a built-in carry loop
why we’re different
Not all supplements are created equal
At Parsley, "professional grade" means every supplement is third-party tested for quality and purity, and manufactured in NSF/USP-certified, cGMP-compliant U.S. facilities that meet FDA standards.
Our clinicians know which supplements actually move the needle — and which don't. Every formula is selected for clinical evidence, optimal bioavailability, and meaningful dosing. Not what's cheapest to manufacture. What actually works.
| Parsley Supplements | Standard Supplements | |
|---|---|---|
| Physician-Formulated | ||
| Third-Party Tested | ||
| Clinically Dosed | ||
| Made in USA | ||
| Most Bioavailable Forms |
"Many of us don’t get the nutrient density we need from our food, even if we eat healthy diets. That includes me, which is why there are certain supplements I take every day."
Dr. Robin Berzin, MD
Founder and CEO
Hundreds of 5-star reviews
“This product is amazing. My doctor keeps asking me again and again to remind her how my D level is so perfect. I put my husband on it too with the same results. Thank you Parsley!”
"My body started to crave this product. With battling malnourishment and malabsorption, this is a super helpful product to buy! Glad my doctor recommended it."
Complete your routine
From the blog
Getting Tested for Vitamin Deficiencies Could Be A Gamechanger for Your HealthApproximately one third of the American population is at risk for vitamin deficiencies. Here's how vitamin deficiency testing can help.
Best Vitamins and Supplements for Thyroid HealthSupport thyroid hormone production and T4-to-T3 conversion with the right vitamins and supplements. Learn which nutrients matter most for thyroid health, and which to avoid.
Longevity & Healthspan
If you're focused on aging well, maintaining energy, or protecting your long-term health, the most powerful thing you can do is understand where your body stands today. Parsley Health physicians use advanced testing and a root-cause approach to build a plan around you — not just a standard checkup.



