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?

Bryonia alba 9C Boiron

Krill Oil (60 softgels) Jarrow Formulas

Nerve Tonic (100 Tabs) Hylands

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.

Intestinal Movement Formula (120 Vcaps)* HealthForce Nutritionals

Living Green Liquid-Gel Multi for Women (90 softgels)* Irwin Naturals

Cellfood Essential Silica (4 oz)* Lumina Health

Ubiquinol CoQ10-CF 50mg (60 Softgels) NOW Foods

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

Zyflamend | New Chapter Zyflamend Side Effects
Zyflamend Bonus Pack

RevitalX & Detoxitech | 7 Day Nutritional Cleansing Program* Natural Factors

Celery Seed Health Benefits
Celery Seed Extract is widely used as an effective diuretic, as well as a dietary supplement to help improve circulation and heart health.

Steel Libido for Women (75 softgels)* Irwin Naturals

PGX Daily Ultra Matrix (120 Softgels)* Natural Factors

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!

Folic Acid from Lemon Peel (120 vtabs) Futurebiotics

Phenocane Curcumin (120 capsules) OxyLife

Cell Forte Max3 (120 Vcaps) Enzymatic Therapy

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

Rescue Remedy 20ML Bach

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

Curamin (120 Caps) Terry Naturally

Ocular Formula by Maxivision (60 capsules)* MedOp Inc

Bone-Up (240 capsules) Jarrow Formulas

Betaine HCI (120 Caps) NOW Foods

Best Acetyl L-Carnitine featuring Sigma Tau Carnitine (588 mg)(120 capsules) Doctor's Best