Working...
Get ready for Flu Season! Winter Wellness by Life Extension blends two amino acids,  L-Cystine and L-Theanine, shown to strengthen your immune system and  help keep you heathy..

Winter Wellness (60 capsules)*

Winter Wellness has been discontinued. Seacoast recommends Wellness Formula by Source Naturals.

ProGreens (Click here) Herbal Blend to keep your immune system strong.

Sorry! This item has been discontinued. See below.

Are you ready for the onslaught of seasonal winter challenges? Is your immune system prepared to keep you healthy and on your feet?

Winter Wellness by Life Extension

These two amino acids work together to strengthen your immune system and optimize immune responsiveness.

L-theanine and L-cystine are the foundation of the Winter Wellness formula by Life Extension. Taken daily, they support the immune systemâ

By Rodolfo Schneider - Flag 
Comments? Question?
Updated Jan. 15, 2018, about 8 years ago

SKU: 0739
Distributed or manufactured from Life Extension. See more Life Extension products.

*Not intended to diagnose or treat diseases or ailments, and is not reviewed by the FDA.

Uses & Indications.
  • Enhance And Balance Immune Response
Ailments & Concerns.
  • Cold And Flu Season
Melatonin 10mg (60 caps)*
Melatonin 10mg (60 caps)* Life Extension


 21.00 
Life Extension
Natural Mint Toothpaste*(4oz)
Natural Mint Toothpaste*(4oz) Life Extension


 9.50 
Life Extension

Be the first to tell us your thoughts.Add your testimonial

Questions and answers:

Explore More Products

Theanine Serene with Relora (60 tabs)*
Theanine Serene with Relora (60 tabs)* Source Naturals


 11.19 
Source Naturals
Theanine Serene with Relora (120 tabs)*
Theanine Serene with Relora (120 tabs)* Source Naturals


 20.29 
Source Naturals
True Yacon Powder (4 oz)
True Yacon Powder (4 oz) Essential Source


 24.95 
Essential Source

winter challenges wellness cystine, theanine extension immune responsiveness, stronger optimize ready seasonal
1. Statements and claims on Seacoast.com have not been evaluated by the FDA and are not intended to treat or diagnose any ailment or disease.

What interests you?

Vitamineral GREEN Capsules Version 5.3(400 v-caps)* HealthForce Nutritionals

Blood Builder (90 tabs)* MegaFood

Promeva | Simple Tips for Breast Health
Natures Way Promeva, a unique natural supplement to help support healthy breast tissue. Promeva is Clinical Strength Breast Health Protection.

Arnica montana 9C Boiron

Ignatia amara 9C Boiron

Sambucol Cold & Flu Fighter
Sambucol. World renowned original formula, clinically tested, virologist developed. Boost immunity. Unique black elderberry extract rich in immune supporting flavonoids. Cold & Flu Season Special.

Phenocane Curcumin (120 capsules) OxyLife

Cellfood Essential Silica (4 oz)* Lumina Health

Sambucus Black Elderberry Syrup (4oz) Nature's Way

PRID (18 g) Hylands

Elderberry-Syrup | Effective Cold and Flu Remedy
Elderberry-Syrup Encourages Healthy Upper Respiratory and Enhances Overall Immune Functions.

Vectomega | Major Advance in Omega 3 Fish Oil Products
Vectomega by Europharma. Fifty times more potent than regular fish oil products. Vectomega delivers superior bioavailability over other EPA/DHA products. Buy Direct from Seacoast.com and $ave.

Lumina Health CellFood | Oxygen Therapy
Cellfood is the world's top-selling oxygen+nutrient formula sold in over 70 countries and recommended by health professionals everywhere. Celebrating 40 years of enhancing health throughout the world.

Hunger Caps Appetite Control | Saffron Extract (60 capsules)* Re-Body

ORAC-Energy Greens (60 day 364 g) Paradise Herbs

Biotivia | Transmax |Potent Resveratrol Supplements
Biotivia Transmax rated best resveratrol supplement by Men's Health Magazine. On Sale. Lowest Price. Too Low to be advertised. orders@seacoastvitamins.com contact us today!

Best Curcumin C3 Complex (1000mg - 120 tablets) Doctor's Best

MSM Topical Cream (4 oz ) Metabolic Response Modifiers

Bryonia alba 9C Boiron

Happy Camper, 120 Veggie Caps Natural Balance

Tart Cherry Juice Concentrate Certified Organic (16 oz) Dynamic Health

40,000 Volts (8 oz) Trace Mineral Research

Zyflamend | New Chapter Zyflamend Side Effects
Zyflamend Bonus Pack

SoFresh Adult Flossing Toothbrush (Soft) OraMedix Inc.

IP6 Gold Inositol Powder (14.6oz)* IP6 International

PQQ Caps with BioPQQ (20mg 30 capsules)* Life Extension