“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.”
Thyroid Balance
A clinician-formulated thyroid supplement with 9 nutrients to support thyroid function.
- Root-cause formula, not just symptoms
- Adaptogens + minerals for T3 conversion
- Ideal for low energy and fatigue
- Free shipping
- Pause or cancel anytime
- 5% subscription discount not applied
- Free shipping not included
- Supports healthy thyroid hormone production
- Aids T4 to T3 conversion
- Includes 9 essential vitamins and minerals
- Features adaptogenic rhodiola for energy
- Supports metabolism and energy levels
- Helps combat fatigue and stress
- Provides antioxidant protection
- Comprehensive thyroid support in one formula
Thyroid Balance
The science behind our ingredients
Thyroid Balance
Is this right for you?
Thyroid Balance
Is this right for you?
- 01You feel tired, sluggish, or foggy
Low energy, brain fog, and fatigue can be tied to suboptimal thyroid function. Thyroid Balance provides 9 nutrients that support hormone production and energy metabolism.
- 02You want foundational thyroid nutrient support
Iodine, selenium, zinc, and the B vitamins are essential for thyroid health — and commonly under-consumed. This formula covers the core nutrients in one daily dose.
- 03You're managing stress alongside thyroid concerns
Daily stress affects thyroid function. The adaptogenic herb rhodiola is included to help the body respond to stress and support energy through demanding days.
- 04You want complementary support alongside care
Thyroid Balance is designed to complement, not replace, prescription thyroid treatment. Many people use it alongside clinical care under physician guidance.
Low energy, brain fog, and fatigue can be tied to suboptimal thyroid function. Thyroid Balance provides 9 nutrients that support hormone production and energy metabolism.
Iodine, selenium, zinc, and the B vitamins are essential for thyroid health — and commonly under-consumed. This formula covers the core nutrients in one daily dose.
Daily stress affects thyroid function. The adaptogenic herb rhodiola is included to help the body respond to stress and support energy through demanding days.
Thyroid Balance is designed to complement, not replace, prescription thyroid treatment. Many people use it alongside clinical care under physician guidance.
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 |

This not only provides the nutrients the thyroid needs but supports the gland during times of stress with the adaptogens.
Nisha Chellam, MD
Doctor
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
How To Health Your Thyroid Naturally: 8 Thyroid Healing Practices You Can Start TodayLooking to heal your thyroid naturally? Learn evidence-based ways to support thyroid health through diet, stress management, sleep, and lifestyle habits.
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.
Hypothyroidism vs Hyperthyroidism: Symptoms and DifferencesLearn how to tell the difference between hypothyroidism vs hyperthyroidism symptoms and the most effective strategies to treat and manage these diseases.
Metabolic Health
If you're dealing with weight, blood sugar, or metabolic health challenges, the most powerful thing you can do is understand what is driving them. Parsley Health physicians use advanced testing and a root-cause approach to build a plan around you — not just your symptoms.


