This section doesn’t currently include any content. Add content to this section using the sidebar.

    Image caption appears here

    Add your deal, information or promotional text

    SPARK Thyroid Support & Energy Metabolism

    SPARK Thyroid Support & Energy Metabolism

    Find focus, hormone regulation, thyroid support & fatigue-fighting super ingredients all in one formula. Using a natural blend of Zinc, Selenium, Organic KSM-66®, Ashwagandha and Iodine, SPARK helps you go about your day with the confidence and energy to thrive.

    Choose Purchase Option

    Choose Quantity

    Save 25%

    Save 33%

    6 Bottles

    Best Value

    Save 25%

    Save 33%

    6 Bottles

    $ 134.96 You Save$ 44.99
    $ 121.46 You Save$ 58.48

    Apply COOL25 at Checkout

    Apply WELLNESS33 at Checkout

    Best Value

    Best Value

    Save 15%

    Save 23%

    3 Bottles

    Best Seller

    Save 15%

    Save 23%

    3 Bottles

    $ 76.47 You Save$ 13.50
    $ 68.83 You Save$ 21.14

    Apply COOL15 at Checkout

    Apply WELLNESS23 at Checkout

    Best Seller

    Best Seller


    1 Bottles



    1 Bottles

    $ 29.99
    $ 26.99 You Save$ 3.00




    SPARK is the super-simple formula to your thyroid rollercoaster. Using only natural ingredients like Organic KSM-66® Ashwagandha, zinc, selenium, and iodine, you can rebalance your thyroid and elevate your whole wellness experience.

    • RAZOR FOCUS — Super ingredients Organic KSM-66® Ashwagandha, zinc, selenium, and iodine help with your daily activities where focus is essential.
    • METABOLISM MASTER — SPARK regulates metabolism and promotes hormonal balance with the strength and potency you’ve been looking for. 
    • CLINICALLY-RESEARCHED— Our plant-powered multi-blends are lab-tested to be effective and bioavailable. Our team of health professionals is committed to helping you feel better. 
    • MADE IN THE USA— We blend all our products at a cGMP Certified Laboratory to ensure strict FDA Standards and a contaminant-free product. 
    • NATURAL, NO FILLERS, NO NONSENSE— 100% vegetarian easy-to-swallow soft capsules. No fillers, binders, artificial ingredients, gluten, wheat, or dairy. And no animal testing. 
    • BUY A BOTTLE / DONATE A BOTTLE — And through our Vitamin Angels 1-for-1 Match program, one bottle equals one year of vitamins for a child in need.
    • SATISFACTION GUARANTEED — Each order is backed by an unconditional 90-day guarantee so you can try SPARK risk-free.


    †1 https://www.ncbi.nlm.nih.gov/pubmed/3336286

    ‡ Clinical implications of this study need more investigation.

    †2 https://www.ncbi.nlm.nih.gov/pubmed/3723200

    ‡ This study followed 6 men for 75 days. Larger study is warranted.

    Ashwagandha Extract

    †3 https://www.ncbi.nlm.nih.gov/pubmed/9811169

    ‡ This is an animal study. More human clinical research is needed.

    Plant Extracts

    †4 https://www.ncbi.nlm.nih.gov/pubmed/6297967

    ‡ Details of the biochemical mechanisms still at work.

    †5 https://www.liebertpub.com/doi/abs/10.1089/act.2006.12.107

    ‡ Further study is needed to determine optimal dosages and timing.

    †6 https://ijpbs.com/ijpbsadmin/upload/ijpbs_572a3e8ca4615.pdf

    ‡ Factors such as age, diet, and lifestyle are important.

    How many bottles should I order?

    In order to get the full benefits, we recommend purchasing and saving more with our discounted three bottle or wellness subscription packages. This will ensure you have enough supply on hand to achieve your goals, while taking advantage of the best pricing and free shipping. Use code EUNATL10 for 10% off 2 bottles, EUNATL15 for 15% off 3 bottles, or EUNATL20 for 20% off 4 or more bottles.

    How do I use it?

    Take one (1) capsule, twice daily with a meal and an 8 ounce glass of waterCapsules may be opened and put into a smoothie or juice. For best results, use for a minimum of 6 to 8 weeks.

    What quality standards are in place?

    All our products are bottled in the United States of America under strict federal guidelines to ensure quality. Fillers, binders, and other artificial additives are never used in our manufacturing process. Facilities are FDA registered and inspected to cGMP standards, exceeding FDA 21 CFR Part 111 regulations.

    How long will it take to see results?

    Individual results vary; however, customers have reported results within a few days of starting the supplement. We recommend to use for a minimum of 6 to 8 weeks to allow the ingredients to achieve their full effect.

    Is it safe to order online from your website?

    Yes. We incorporate physical, electronic, and administrative procedures to safeguard the confidentiality of your personal information, including Secure Sockets Layer (SSL) for the encryption of all financial transactions through the website.

    How long does shipping take?

    Most orders are processed within 1 business day. Standard US shipping is 3 to 4 business days via USPS First Class, expedited is 2 business days via USPS Priority Mail, and international shipping is 7 to 14 days. Tracking number will be immediately provided once shipped.

    Can I take it with other products?

    SPARK is a natural dietary supplement formulated to be combined with a healthy diet and lifestyle. Consult with your health care practitioner before using this supplement with other products.

    What if this product does not work for me?

    We offer a full refund on the purchase price of our supplement formulas any time within 90 days (up to 3 bottles full or empty) for orders shipped in the United States. To process a refund, please email us for instructions on returning your bottles. Once your return is received, a credit will automatically be applied to your original method of payment.

    Serving Size: 2 Vegetarian Capsules L-Tyrosine, Organic KSM-66® Ashwagandha Extract (Withania somnifera) (root), Forskolin Extract (Coleus forskohlii) (root), Guggul Extract (Commiphora mukul) (stem), BioPerine® Nutrient Enhancer (Piper nigrum)

    Why You’ll love us:

    We make herbs, vitamins and
    minerals simple.

    • Feel-good formulas

      Made by medical and
      herbal professionals

    • Super-clean ingredients

      No fillers, no contaminants,
      no bs - ever

    • Only the good stuff

      100% potency,
      lab verified

    • Trusted quality

      Made in the USA

    Eu Natural Timeline


    Within Days

    As the healthy herbs, vitamins and minerals in SPARK go to work, they can spark an improvement within days for some customers. Fast-acting ingredients such as Forskolin can make for rapid, dramatic change. 

    1 Month

    During the first month, ingredients like Ashwagandha will gradually help to balance thyroid function and improve energy levels. 

    1 Months

    Energy metabolism and thyroid health should continue to improve as the weeks pass and your body keeps adjusting to SPARK.

    1 Month

    During the first month, ingredients like Ashwagandha will gradually help to balance thyroid function and improve energy levels. 

    3 Months+

    As you build up your stores of zinc, vitamin D, B complex vitamins, selenium, and other vitamins and herbs, you should continue to experience improvements. Keep taking SPARK over the long-term to continue to support healthy thyroid functioning and energy metabolism. 

    Rest easy, we are here for you

    • 90-day 100% money back guarantee

    • We love our customers 24/7 support

    • Easy Returns

    One bottle purchased
    = One year of vitamins
    for a child in need.


    They aren’t just a normal vitamin company. Eu Natural is all about empowering their customers and their health along with earning their trust.


    Customer Reviews

    Based on 146 reviews
    I use Spark and Vitality
    Spark or Thrive?
    Works for me!
    Great boost for thyroid conditions.
    Spark is outstanding
    Improved Energy Levels
    Nice product
    Good product

    Eu (you) Love Us