Z-Stack® Plus Elderberry Gummies
Z-Flu™ is becoming Z-Stack® Plus Elderberry.
Same formula, same gummy – new name.
Purchase Options: Subscribe | One-time
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One-Time Purchase
AS LOW AS $1.50/DAY + FREE U.S. SHIPPING 🇺🇸
Z-Stack® plus Elderberry is perfect for people who:
✔ Want recovery & immune support during seasonal challenges
✔ Spend time around schools, workplaces, or crowded environments
✔ Like to keep immune support on hand when they need it
✔ Prefer an easy-to-take gummy formula
✔ Want targeted support alongside their daily wellness routine
Boost your immune system with Z-Stack® plus Elderberry, an all-natural, doctor-formulated gummy supplement created by Dr. Zelenko. Clinically dosed to support your body’s natural defenses year-round, Z-Stack® plus Elderberry delivers a powerful blend of essential vitamins and nutrients to help maintain immune function and overall wellness.
Whether you’re looking to strengthen your daily immune support or stay prepared during seasonal challenges, Z-Stack® plus Elderberry provides targeted nutritional support to help you stay healthy and resilient year-round.
As a dietary supplement, ages 4-8 take one (1) gummy daily with food and ages 9+ take two (2) gummies daily with food or as directed by a healthcare provider.
For 4-8 years of age:
Vitamin C (as ascorbic acid) 100 mg, Vitamin D3 (as Cholecalciferol) 2000 IU, Zinc (as Zinc Gluconate) 3 mg, European Elderberry Fruit Extract 65:1 (Saumbucus Nigra) 30 mg, Quercetin 50 mg
For 9+ years of age:
Vitamin C (as ascorbic acid) 200 mg, Vitamin D3 (as Cholecalciferol) 4000 IU, Zinc (as Zinc Gluconate) 6 mg, European Elderberry Fruit Extract 65:1 (Saumbucus Nigra) 60 mg, Quercetin 100 mg
Subscribing means more than convenience – it’s the smartest way to save while staying consistent with your wellness routine.
As a subscriber, you’re automatically enrolled in the Zelenko Subscriber Rewards Program. You can enjoy 10% back in store credits, referral rewards, surprise milestone gifts, exclusive subscriber pricing, convenient automatic deliveries, and more!
Vitamin C been shown to play a complex, protective role against toxic compounds formed from oxidized lipids and may support overall immune health.
Vitamin D3 has been shown to increase intestinal calcium and phosphate absorption, helping maintain strong bones.
Quercetin supports a healthy inflammatory response and functions as a zinc ionophore, helping shuttle zinc into cells so your body can better absorb and utilize it.
Zinc is a nutrient found throughout your body that may support your immune system and metabolic function.
Elderberry is packed with antioxidants and may support a healthy immune system.
Z-Stack® plus Elderberry vs the Alternative
High-end quality, fewer pills, and better value. Z-Stack® plus Elderberry combines multiple essential supplements into a single, clinically dosed, and convenient formula.
Supports Strong, Daily Immune Defense
Promotes a Balanced Immune Response
Helps Your Body Defend Against Seasonal Threats
Doctor-Formulated & Clinically Dosed
VITAMIN C
$15 - $25
QUERCITEN
$25 - $45
VITAMIN D3
$15 - $30
ZINC
$15 - $25
ELDERBERRY
$15 - $28
TOTAL (USD):
$55
$85 - $153
"Boosting my immune system with Z-Flu has been highly beneficial. I haven’t been sick for over two years. I faithfully use Z-Flu, Z-Stack and Z-Detox supplements."
"I was excited to get my next order of ZFlu gummies as I had just finished my last bottle. no flu shots for us…just relying on these gummies to get us through flu season."
"Z-flu is a superior product. I’ve been using it for about 3 years and I haven’t been sick one day since. I’m 77 years old and a non-vaccinated person ever since Covid. I faithfully took flu vaccine shots prior to Covid, but I don’t want or need them anymore. All of Dr. Zelenko’s products are healthy additions with positive results. God bless Dr. Zelenko."
