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 7 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?

Homocysteine Resist (60 capsules)* Life Extension

PRID (18 g) Hylands

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!

Blood Builder (90 tabs)* MegaFood

Mega Nutrient | Nature’s Way Alive Multivitamin
Alive Multi Vitamin from Nature's Way is the complete daily multivitamin containing the best ingredients from whole-food sources.

Intestinal Movement Formula (120 Vcaps)* HealthForce Nutritionals

Estroven Maximum Strength Plus Energy (28 caplets) Amerifit

PGX Daily | Benefits, Treatments & Side Effects
PGX is the new science of appetite control. The PGX program can be a comfortable way to improve eating habits for life.

BetaMax 250 mg (120 caps) Chisolm Biological Laboratory

Floravital Iron & Herbs yeast free ( 8.5 oz) Flora Health, Floradix

Leg Veins (120 Vcaps)* Nature's Way

System-Six, Powerful Weight Loss Support (100 softgels) Irwin Naturals

Zyflamend | New Chapter Zyflamend Side Effects
Zyflamend Bonus Pack

Best Serrapeptase 40,000 Units (90 vegetable capsules) Doctor's Best

Arthocin (60 Caps) Terry Naturally

Warrior Food Extreme Ultimate Protein Supplement - Economy Size (Vanilla 1000 g)* HealthForce Nutritionals

Gamma E 300 (120 softgels) Jarrow Formulas

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.

Wobenzym | Systemic Enzymes | Wobenzym N
Wobenzym N is the authentic systemic enzyme formula developed by Mucos Pharma in Germany and trusted by millions of people worldwide for over 40 years. Free Shipping on all Wobenzym orders with delivery inside the United States.

Fresh Green Black Walnut Wormwood Complex (2 oz) NOW Foods

Pancreas Formula (100 Caps) Christophers Original Formulas

Skin Restoring Phytoceramides with Lipowheat (30 veggie liquid caps)* Life Extension

Blood Builder (180 tabs)* MegaFood

Cellfood Essential Silica (4 oz)* Lumina Health

Infection Formula (100 Caps) Christophers Original Formulas

Bryonia alba 9C Boiron