Immune System SupportBest Defense® Orange Boost
Support your immune system when you need it the most with Best Defense® (Immunity Essentials), a naturally flavored effervescent dietary supplement with Vitamin C, Zinc, and a botanical blend including Echinacea. 10 tablets per container.
Starting at $18.75 USD · taxes & shipping calculated at checkout
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Key Facts
About Best Defense
Best Defense is Herbalife’s effervescent immune-support supplement, formulated with Vitamin C, Zinc, and a botanical blend including Echinacea, Astragalus, Schizandra and Ginger. Per the official product description, it’s designed to support your immune system when you need it the most — for example, before entering crowded environments such as airports, or as soon as you start to feel under the weather. Each tablet dissolves in water for a naturally orange-flavored drink. SKU 1502 is a 10-tablet container.
Product Reference
Who Is Best Defense For?
Formulated for:
What’s Inside — SKU 1502
Per Herbalife’s official product description and label, each tablet is part of a formula built around Vitamin C, Zinc, and a proprietary herbal blend. Serving size 1 tablet, 10 servings per container.
| Category | Highlights |
|---|---|
| Antioxidant Vitamin | Vitamin C |
| Mineral | Zinc |
| Herbal Blend | Echinacea purpurea extract (aerial parts and root), Echinacea angustifolia extract (root), Astragalus, Schizandra, Ginger |
| Serving Size | 1 effervescent tablet (4.5 g) |
| Servings Per Container | 10 |
This table lists the nutrient categories Herbalife highlights in its official product description and label. For the complete Supplement Facts panel with exact amounts and % Daily Value, check the physical product label — Herbalife’s online store does not currently publish the full nutrition facts panel. Other ingredients include citric acid, sodium bicarbonate, sucralose, potassium bicarbonate, natural orange flavor. Source: official Herbalife USA product description and label, verified 2026-08-31 — always check the physical label, as formulas can change.
How to Use Best Defense
Official directions:
Drop one effervescent tablet in 8 ounces of water.
Let it fully dissolve, then drink — enjoy in hot or cold water.
Take up to 2 times a day as needed, such as before entering crowded environments or as soon as you start to feel under the weather.
Warning: If you are pregnant, nursing, have a medical condition, or are taking any medication, consult your physician before use. People with asthma or progressive conditions such as tuberculosis, leukemia, collagen disorders, multiple sclerosis, AIDS, HIV infection or other autoimmune diseases should consult their physician before using a product containing Echinacea. Caution is also advised for transplant patients taking immunosuppressive drugs. Keep out of the reach of children. Keep in a cool, dry place, tightly closed.
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Frequently Asked Questions
What is Best Defense used for?
Best Defense is an effervescent dietary supplement with Vitamin C, Zinc, and a botanical blend including Echinacea, formulated to support your immune system when you need it the most — for example before entering crowded environments or as soon as you start to feel under the weather. These statements have not been evaluated by the FDA; this product is not intended to diagnose, treat, cure, or prevent any disease.
How do I take Best Defense?
Drop one effervescent tablet in 8 ounces of water, let it fully dissolve, and drink. Enjoy in hot or cold water. Take up to 2 times a day as needed, per the official Herbalife USA product label.
What’s in Best Defense?
Each tablet provides Vitamin C, Zinc, and a proprietary herbal blend including Echinacea purpurea and Echinacea angustifolia extracts, Astragalus, Schizandra and Ginger. Other ingredients include citric acid and natural orange flavor. For the complete Supplement Facts panel with exact amounts, check the physical product label.
Is Best Defense the same product sometimes called Immunity Essentials?
Yes. Best Defense is the official Herbalife USA product name; some internal or informal references use the descriptive name Immunity Essentials for the same SKU 1502 product.
Do I need a Herbalife membership to order Best Defense?
No membership is required. You can order at the Suggested Retail Price directly from the official Herbalife USA store using the link on this page.
Where can I buy Best Defense in the USA?
Through the official Herbalife USA online store, linked from this page. Orders are processed by Herbalife directly; this site does not handle payments.
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About this page: Written and maintained by María Pilar Solís Walker, Independent Herbalife Distributor (ID: 47122560), 25+ years of experience in nutrition and wellness. Product description and pricing sourced from the official Herbalife USA store, verified 2026-08-31. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual results will vary. Consult your physician before use. This website is not owned or operated by Herbalife International of America, Inc.