Peak Immunity

Strengthen your defenses. Shorten downtime. Stay in the fight.*
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Peak Immunity

Peak Immunity

Strengthen your defenses. Shorten downtime. Stay in the fight.*

Training stress, long hunts, poor sleep, travel, and daily workload all place strain on the immune system. Peak Immunity is designed to support both immediate immune defense and long-term resilience by combining vitamins, minerals, botanicals, functional mushrooms, and immune-training compounds in a daily formula built for consistency. Used regularly, it helps reinforce immune readiness so missed days, lost momentum, and downtime don’t quietly stack up.*

$34.95
In stock
30 DAY MONEY-BACK GUARANTEE
Made in the USA

Made in the USA

Formulated in-house

Formulated in-house

Field Tested for Over 20 Years

Field Tested for Over 20 Years

HOW TO USE

Take 3 capsules daily, preferably with a meal. Consistent daily use supports immune readiness during training, travel, and high-stress periods.*

INGREDIENTS & NUTRITION

Supplement Facts: Serving Size 3 capsules. Servings Per Container 30. Amount Per Serving: Vitamin D (D3 cholecalciferol) 20 mcg (100% DV); Vitamin C (ascorbic acid) 180 mg (200% DV); Vitamin B6 (pyridoxine HCl) 1.7 mg (100% DV); Zinc (zinc glycinate) 16.5 mg (150% DV); Beta-glucans 250 mg (from Saccharomyces cerevisiae; beta 1,3 beta 1,6); Astragalus root extract 250 mg (Astragalus membranaceus); Elderberry berry extract (Sambucus nigra) 250 mg; Maitake fruiting body extract (Grifola frondosa) 150 mg; Shiitake fruiting body extract (Lentinula edodes) 150 mg; Echinacea root extract (Echinacea purpurea) 150 mg; N-acetylcysteine 100 mg; Inositol hexaphosphate (IP-6) 100 mg. Percent Daily Values (DV) are based on a 2,000 calorie diet. † Daily Value not established.

Other Ingredients: Gelatin (capsule), magnesium stearate (vegetable source), microcrystalline cellulose, silica.

SHIPPING & RETURNS

Shipping will take around 1-4 business days depending on your distance from Phoenix, AZ.

Returns
Your happiness is our top priority! If for any reason you are not completely in love with your products, you may send it back to us for an exchange or full refund within 30 days of the original purchase. Please fill out the form below.

Return Policy Rules

  • Returns accepted for 30 days
  • Free return shipping
  • No restocking fees
  • Not applicable to final sale items
CUSTOMER SUPPORT

Email Us At:

contactus@wildernessathlete.com

Call Us:

1-800-300-1215

Build Your Stack

Built for year round performance.

Bundle total $34.95

Wilderness Athlete nutrition and sports performance product formulations - Immunity Wilderness Athlete nutrition and sports performance product formulations - Immunity

Why it Works

Peak Immunity supports both innate immunity, your body’s immediate defense, and adaptive immunity, which strengthens over time with repeated exposure and stress.*

Key vitamins, minerals, and functional compounds support immune cell development, signaling, and response when training load, travel, or fatigue increase vulnerability.*

Botanicals, mushrooms, and antioxidants help regulate inflammation and oxidative stress so immune function doesn’t fall apart under sustained workload.*

By reinforcing immune response and recovery capacity, the formula helps limit the length and impact of setbacks that derail training blocks or seasons.*

Peak Immunity isn’t a short-term fix, daily use helps your immune system adapt, respond faster, and stay resilient when demands don’t let up.*

Wilderness Athlete nutrition and sports performance product formulations - Immunity

Key Ingredients

A comprehensive immune support formula built with essential vitamins, minerals, botanicals, functional mushrooms, and immune-training compounds.*

Supports immune cell regulation and resilience.*

Antioxidant support for immune defense.*

Supports immune function and energy metabolism.*

Essential mineral for immune cell development and repair.*

Yeast-derived compounds that help train immune response.*

Antioxidant support for inflammation balance.*

Wilderness Athlete nutrition and sports performance product formulations - Immunity
Wilderness Athlete nutrition and sports performance product formulations - Immunity

Your Daily Routine

Peak Immunity works best when it becomes part of what you already do, not something you only reach for when you’re run down.*

Take it with your first meal to support immune readiness before training, work, or travel stress sets in.*

Daily use helps reinforce immune defenses when physical output and fatigue are high.*

An easy option if mornings are rushed, helping support overnight recovery and immune balance.*

Immune support isn’t reactive, it’s cumulative. Staying consistent helps prevent stress and fatigue from stacking up over time.*

This supplement supports immune health during cold/flu season. Most customers said it helped them avoid illness or recover faster, with one noting "cleared me up quickly." Some found it effective against symptoms when family members were sick. However, a few shoppers haven't noticed clear benefits yet, with mixed results on preventing colds.

  • Took it when I began to get cold symptoms and cleared me up quickly.
  • If I do get sick the symptoms are typically much less severe than others around me.
  • Been around my wife that got the flu...and all I got was - NOTHING!
Winter (positive)Symptoms (positive)System (positive)Vitamins (positive)Product (positive)
  • 5 stars: 49 (92%)
  • 4 stars: 2 (4%)
  • 3 stars: 2 (4%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
E
Eric H. (Erie, US)
Great supplement

I’m on the older side of the Millennial bracket (39). I’m not old, but my back is. Many years of wrestling and now an active coach, farm work, shift work, it starts to show about 35. I’m not saying, I’m just saying. Joint advantage is a NOTICEABLE difference in helping my mobility. Especially when it comes to that morning back stiffness.

L
Leon R. (Loma, US)
great boost to immune system

Great boost to immune system. Can definitely tell a difference

B
Brent H. (Onalaska, US)
Warding off colds? Not quite sure yet.

Expected to see a visible improvement in warding off of colds, etc but haven’t realized it yet. Still getting colds at the same rate and recovery time is about the same. Worth it? Not quite sure yet.

T
Tyler b. (Denver, US)
Been using this stuff since it came out and it

Been using this stuff since it came out and it does wonders during the winter

A
Aaron M.
Haven’t killed me yet

I have only been taking for a few days but they seem to be good. No aftertaste or side effects that I can tell.

I
Ian P. (Dothan, US)
Quality supplement

Last year I had a terrible case os RSV. Soon after I started taking peak immunity. I have not been sick since then! I would recommend peak immunity to anyone out there especially due to the flu being so bad this time

P
Phillip G.S. (Tampa, US)
Battle Illness With Peak Immunity

There's a lot of illness stirring around; I don't want anything to do with it. So, I'll do what I can to lessen the probability of getting sick. Taking my WA High Performance Multi-Vitamin is a part of it; staying healthy with my WA Meal Replacement Shake helps, too. But, bring in the cannons, Peak Immunity is locked and loaded, ready to send healthy bullets to old Mr. Sick germ. I know their product "bolsters the immune system," I know I can fight the bad symptoms before they knock me down. Peak Immunity boosts immune cell production, which helps big time, too. Viruses, bacteria, and toxic substances are roadblocked in their attack on the gut and the human body long before they can attack us if we use Peak Immunity. That's why I use them.

i
ian k. (Logan, US)
Great Stuff for the Winter

Took it when I began to get cold symptoms and cleared me up quickly.

M
M (Parker, US)
Winter must

I felt a little down last week and had a sore throat. I took double dose of this stuff and was completely fine the next morning. Everyone else around me is knock out sick and I’m rockin n rollin

T
Ted S. (Seattle, US)
Works to fit off colds

Took it while people around have been sick and kept me sick free.

A
Austin B. (Wolfforth, US)
Helpful daily body armor

The Peak Immunity supplement has been a great addition to my daily routine going into flu and cold season to further equip and strengthen my immune system. It’s one of those things that is hard to measure the effects of, however the added vitamins undoubtedly make a difference of staying healthy and avoiding taking pharmaceuticals to treat symptoms.

W
Walter (Carpenter, US)
Great Product

This product works as advertised. I struggle every winter and seem to get every cold that comes around but this product helps me avoid most of them and the ones I can’t avoid turn out to not be near as bad. Many thanks to Wilderness Athlete

C
Carl (Chicago, US)
Quality

They seem to have it packed with all the right things. Will be my new go to during the "sick season"

R
Randy (San Antonio, US)
Good Stuff

Hard to say if it's working, but I haven't gotten sick like everyone else in the office. I'll let you know how I feel after a 2-week wet cold hunt.

C
Chess C. (Meridian, US)
Peak Immunity

Just started using the product. So far so good

S
Spike

Works phenomenal!

A
ADAM (Portland, US)
Great Product

I have been taking Peak Immunity for over a year and a half or so. I think it works good. I haven't been really sick in this time period. I have felt like I start to catch something several times, but then it fizzles out, and I don't get that sick.

J
John H. (Antioch, US)
Immunity

Just started using the product .but hoping gor great results

C
Carlo G. (Brewster, US)
Peak Immunity

I found this product really helps with immunity. I used to take several different supplements. Such as extra zinc and vitamin D. But now, all I need it this product and my regular Wilderness Athlete vitamins. I even brought Peak Immunity with me on a recent trip to Italy.

C
Carlin Z. (Cheyenne, US)
ABSOLUTE MUST HAVE!!!!!!!!

ABSOLUTELY LOVE THIS DAILY IMMUNE BOOSTER!!!!!!!EVERY WINTER I'D ALWAYS COME DOWN WITH A NASTY COLD AND LOSE MY VOICE AND ALL OTHER BAD THINGS YOU EXPERIENCE WITH THE FLU. IT DON'T STAND A CHANCE NOW WITH IMMUNE BOOSTER IN ME!!!!!!!

D
David F. (Las Vegas, US)
Does it work?

All I know is that while I have been taking this, I have not been sick...at all...with anything.

W
Wyatt (Rock Springs, US)
Game Changer

Awesome supplement that really works. If I am consistently taking this supplement I can almost always avoid getting sick even when my kids or others around me catch a bug. If I do get sick the symptoms are typically much less severe than others around me with the same sickness.

R
Raven m. (Marina, US)
Great product

Started taking these about four or five months ago after chronically getting sick just about every month. After taking them, I have only experienced a little cold recently and it seemed like my immune system did a really good job fighting it off fast.I would like to think it’s due to taking these vitamins every day. Good stuff 👍

K
Karen L. (Oregon, US)
Staying Healthy

Last winter I was sick for most of it. Also was under a lot of stress. This winter I want to be prepared to fight off all the nasty bugs this winter season. WA produces AMAZING products. Will be glad I have this on hand.

T
Tanner (Salt Lake City, US)

Love the benefits!

R
Ron G. (Salt Lake City, US)
Great Product

Works great, many times my wife has been sick, but not me. I highly recommend this product.

B
BRYAN F. (New York, US)
Immunity Boost

Product is as advertised. Helps keep all the "ick" the kids bring home from school away. A must if you travel a lot and your immune system is compromised from all the planes and airports.

J
Jennifer G. (Bellevue, US)
Best product ever

Absolutely love this product! Does what it says it will do!

S
Shelly W. (Denver, US)
Great product

Started this last year and my usual annual cold never hit this year!

K
Keith (Vanleer, US)
great product

great product

Frequently Asked Questions

How long does shipping take?

Orders typically arrive within 1–4 business days, depending on your distance from our warehouse in Phoenix, Arizona. Customers in the western U.S. generally see delivery on the faster end of that range, while shipments to the East Coast or more remote areas may take the full 1-4 business days.

Business days are Monday through Friday and don't include weekends or holidays. You'll receive a shipping confirmation email with a tracking link as soon as your order leaves the warehouse.

What is your Returns and exchanges policy?

If you aren't completely thrilled with your purchase, you can return or exchange it for a full refund within 30 days of the original purchase date.

To start a return or exchange, visit our returns portal at https://wildernessathlete.com/pages/returns and enter your order number and the email address used to place the order. Then follow the on-screen instructions.

If you can't find your order number, check your original order confirmation email. Once we receive your returned item, refunds are processed back to your original payment method.

Are your products made in the USA?

Yes, our products are manufactured in the USA in an NSF Certified facility.

What is the shelf life of your products?

We recommend our products are good through two years after the manufacturing date stamped on the bottom of our products.

Are your products safe to use when nursing or pregnant?

Caffeine is not recommended during pregnancy, eliminating Energy & Focus and Lean Life. However, please check with your doctor regarding our other products to ensure they are safe for your individual needs.

Are your products safe for kids?

Our Energy & Focus and Lean Life products both contain caffeine, which is not recommended for individuals under 18.

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NUTRITION FOR HUNTERS, BY HUNTERS

MADE IN THE USA & FAMILY OWNED

We’re a passionate, family-run company rooted in our connection to the people we serve, real customers chasing real goals. Just a tight-knit crew doing things the right way, with products we’re proud to put our name on. Every formula is crafted in the U.S. by a trusted facility with over 45 years of experience, then shipped out by our own team in Arizona. No shortcuts, no compromises.

HIGHEST QUALITY INGREDIENTS

We don’t cut corners. Every formula we make is built with ingredients that meet the highest standards for purity, effectiveness, and safety. We source what works, not what’s trendy, and only bring it to market products we’re proud to put our name on. From the first scoop to the last, quality drives everything we do.

FIELD TESTED FOR OVER 20 YEARS

Since 2004, our products have been tested in the field, in the gym, and deep in the backcountry by those who rely on them when it matters most. That’s two decades of real-world results and stories from customers who’ve felt the difference and keep coming back for more.

REAL PEOPLE, REAL SUPPORT

Our mission is simple: make our customers’ lives better, every damn day. That mindset drives everything we do. From how we formulate our products to how we answer the phone. We’re not a faceless brand. We’re hunters, parents, and hard workers just like you. When you reach out, you’re talking to someone who gets it and is here to help you keep moving forward.

*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.