What is Best Health Nutritionals Thyroid Performance Plus?

Best Health Nutritionals Thyroid Performance Plus is a thyroid health daily nutritional supplement. The general mechanism for most thyroid supplements is to ingest vitamins, minerals, and occasionally other herbal ingredients in order to maintain optimal thyroid function. This, in turn, is intended to help regulate homeostatic functions including body temperature, energy, mood, weight, and others.


Best Health Nutritionals Thyroid Performance Plus contains the following active ingredients:

  • Iodine – 50mcg
  • Zinc – 15mg
  • Selenium – 200mcg
  • Copper – 1mg
  • L-Tyrosine – 500mg
  • Sensoril Ashwagandha – 250mg
  • ForsLean Forskohlii root extract – 250mg

The capsule is comprised of gelatin, water, microcrystalline cellulose, and silica.


The label instructs users to take two capsules daily, one in the morning and one in the evening. No instructions are given on whether the supplement should be taken with food.


Best Health Nutritionals Thyroid Performance Plus is available on the manufacturer’s website for three different rates, either 1, 3, or 6 bottles containing 60 tablets per bottle. For one bottle, the cost is $39.95 ($0.67 per tablet); for three bottles, the cost is $119.85 ($0.67 per tablet); and for six bottles, the cost is $239.70 ($0.67 per tablet). It is unclear why the product is marketed using this pricing scheme when the price per tablet is consistent, but the 3- and 6-bottle varieties do feature free shipping. We were unable to find the product available for purchase anywhere else online, including on the websites of major superstores and pharmacies in the US.

Possible Side Effects

The product does not list any possible side effects specifically, but it does encourage all users – not just children and women who are nursing or pregnant – to consult with a physician before use.

Manufacturer’s Commitment

Best Health Nutritionals is backed by a 100% money-back guarantee that covers all vitamins and supplements on the manufacturer’s website. If a customer is dissatisfied with the product for any reason, at any time, they may return the product to the manufacturer for a full refund.

The Bottom Line

Best Health Nutritionals Thyroid Performance Plus is, by all rights, a safe product for consumers who are interested in trying out a thyroid supplement. The money-back guarantee is certainly rare in the world of daily nutritional supplements and should give the consumer the peace of mind that lacks from not seeing any potential side effects listed. We were unable to find the product listed on any websites online other than the manufacturer’s website, which does not include any user reviews, so we are unsure of what past user experience indicates about the product. Purely based on the price point and the ingredients listed, we hesitate to recommend the product. Other thyroid supplements on the market will contain all of the ingredients present in this product and include others, sometimes up to 8-10 more. The absence of any vitamins in the B family is particularly conspicuous. While the money-back guarantee also covers these concerns, (if it doesn’t work, the purchaser can just return it), it seems this guarantee may also be responsible for the high cost of the product; at $1.34 per day, it is almost double the cost of comparable products.

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