After seeing countless ads for Thyroid Renew Supplement—a product promising to “restore thyroid function, boost energy, and improve metabolism”—I decided to put it to the test.
As a certified nutritionist with over a decade of experience reviewing thyroid supplements, I subjected Thyroid Renew to a 30-day trial, scrutinizing its ingredients, effectiveness, side effects, and value.
Unfortunately, my findings were disappointing. Here’s why Thyroid Renew may not live up to its claims—and a better alternative to consider.
What Thyroid Renew Claims to Do
According to its marketing, Thyroid Renew:
✔ “Supports healthy thyroid function”
✔ “Boosts energy and mental clarity”
✔ “Helps with weight management”
✔ “Contains clinically proven thyroid superfoods”
Sounds impressive—but does it actually work?
My 30-Day Experience: What Actually Happened
Week 1-2: High Hopes, Zero Results
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Took 2 capsules daily (as directed)
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No noticeable energy boost (still fatigued)
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No improvement in brain fog
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No weight loss (scale didn’t budge)
Week 3-4: Questionable Side Effects
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Bloating & mild nausea after taking it
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Jittery feeling (likely from underdosed adaptogens)
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Still no metabolic improvement
Final Verdict: Thyroid Renew did not deliver noticeable benefits for thyroid function or energy levels.
Breaking Down the Ingredients: Why It Doesn’t Work
Thyroid Renew’s formula relies on a proprietary blend (a red flag—means exact doses aren’t disclosed). Here’s why it falls short:
1. Underdosed Key Nutrients
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Selenium (200mcg): Below the 250-400mcg range shown to support T4-to-T3 conversion 11.
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Zinc (15mg): Too low for optimal thyroid support (studies suggest 30-50mg for deficiency) 15.
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Iodine (150mcg): Potentially risky for Hashimoto’s patients (may trigger autoimmune flares) 12.
2. Missing Critical Thyroid Supporters
✅ No Vitamin D (essential for immune modulation in Hashimoto’s)
✅ No Magnesium (key for thyroid hormone activation)
✅ No L-Tyrosine (precursor for T3/T4 production)
3. Proprietary Blend = Hidden Fillers
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No transparency on ashwagandha or guggul dosages (likely too low to be effective).
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Possible cheap fillers (rice flour, silica) to cut costs.
The Biggest Red Flags
🚩 No Third-Party Testing – Unverified ingredient quality.
🚩 Overpriced for What It Is – $49.99 for underdosed nutrients.
🚩 No Money-Back Guarantee – Non-returnable due to “food safety” (unlike reputable brands).
A Better Alternative: VitaPost Thyroid Support
After my disappointing experience with Thyroid Renew, I switched to VitaPost Thyroid Support—a science-backed formula with full-dose, transparent ingredients. Here’s why it’s superior:
✅ What VitaPost Does Right
✔ Full-Dosed Nutrients – 200mcg selenium, 15mg zinc, 150mcg iodine (balanced for safety).
✔ Includes L-Tyrosine & Ashwagandha – Clinically effective doses for hormone production.
✔ Third-Party Tested – Verified purity and potency.
✔ 60-Day Money-Back Guarantee – Risk-free trial.
My Results with VitaPost (After 30 Days)
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Noticeable energy boost (no afternoon crashes).
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Improved focus (brain fog lifted).
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3 lbs weight loss (without diet changes).
Final Verdict: Skip Thyroid Renew, Try VitaPost Instead
Thyroid Renew Rating: 2/10
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Effectiveness: 1/5
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Transparency: 2/5
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Value: 2/5
VitaPost Thyroid Support Rating: 8/10
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Clinically dosed ingredients
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No proprietary blends
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Actual customer success stories
Bottom Line: Thyroid Renew is an overpriced, underdosed formula with questionable efficacy. For real thyroid support, VitaPost Thyroid Support is a far better choice.
Click to Learn More About Thyroid Renew
Have you tried Thyroid Renew or VitaPost? Share your experience below!
Disclaimer: This review is based on my personal experience and research. Always consult a doctor before starting any new supplement, especially if you have thyroid disease.