Natures Plus Source of Life Immune Booster Adult Formula, Rapid & Extended Release – 90 Vegetarian Tablets – Natural Immunity Booster Supplement – Vitamins A, C, E & Zinc – Gluten-Free – 30 Servings | ⭐ Flexiology.Store Recommended
Original price was: $31.45.$28.17Current price is: $28.17.
🌿 Expert Tip: Handpicked for natural health, wellness & beauty.
Price: $31.45 - $28.17
(as of Oct 01, 2025 00:29:12 UTC – Details)
From the brand
Best Sellers
Is Discontinued By Manufacturer : No
Product Dimensions : 2.2 x 2.2 x 2.2 inches; 3.17 ounces
Item model number : 097467030886
Date First Available : August 27, 2008
Manufacturer : NaturesPlus
ASIN : B001CT4NP6
Best Sellers Rank: #283,766 in Health & Household (See Top 100 in Health & Household) #13,326 in Blended Vitamin & Mineral Supplements
Customer Reviews: 4.5 4.5 out of 5 stars 97 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
NATURALLY SUPPORT YOUR DEFENSES – Nature’s Plus Source of Life Immune Booster supplies powerful levels of immune-fortifying vitamins A, C, and E, as well as zinc
STANDARDIZED BOTANICALS – Herbs like ARA-Larix, Olive Leaf and Fruit, Andrographis, Elderberry and Echinacea offer nutritional support for the immune system
PROBIOTICS TO AID WITH ABSORPTION – Each serving contains 4 million viable cells of acidophilus to promote digestion and optimal nutrient absorption
RAPID AND EXTENDED RELEASE – The unique bi-layer delivery system allows you to get the rapid release of essential nutrients, and extended release of our powerful botanical blend to help boost your system when you need it and all day long
QUALITY MANUFACTURING – Our state-of-the-art manufacturing facilities maintain continuous adherence to cGMP compliance, superior standards, and are FDA and NSF registered
Customers say
Customers find the supplement effective as an immune booster, with one mentioning it works well for warding off colds. They also appreciate the vitamin C content, with one customer noting it’s better than ordinary vitamin C.
🌿 Expert Tip: Selected by our Flexiology Experts for quality & value.
⚠️ Disclaimer: Information is for educational purposes and not a substitute for medical advice. Consult your physician before use. Flexiology.Store is not responsible for any adverse effects.
8 reviews for Natures Plus Source of Life Immune Booster Adult Formula, Rapid & Extended Release – 90 Vegetarian Tablets – Natural Immunity Booster Supplement – Vitamins A, C, E & Zinc – Gluten-Free – 30 Servings
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Amazon Customer –
Full of vitamins
Lots of A,C and E
Gracy Mary –
Best thing for weak immune systems!
The best immune supplement out there! It really works for me and I’m usually the first one at work or in the family to get sick. It kept me healthy while everyone was getting the cold or the flu around me. The delivery was late but the company kept in touch with me every day! Definitely will be buying more!!!! Actually just placed my 2nd order!!
Anna Brannon –
Great Stuff
My hubby got a BAD case of the flu. I bought this supplement and started taking it inmediately and……guess what? Amazingly, I didn’t get the flu! I really believe in this stuff!!! Try it – it works!!
Dale and Mama Pam –
All preventative.
All the vitamins you need in one!
Joe Bird –
Great immune booster
Great way to boost the immune system. I take this as needed, when a coworker or friend is sick, and have had excellent results.
Jackie –
Been taking this for awhile, just 1 per day …
Been taking this for awhile, just 1 per day or every other day. I don’t remember the last time I was sick. They have prompt delivery and I will continue to use this product.
Vanessa –
On time fast delivery
Excellent product for you immune system.
Seasoned buyer –
Product is out of stock in the middle of pandemic, delivered partially
I am sure the product is excellent as so many people went to the same conclusion as we did and decided to fortify their immune system to fight the virus off, but cancelling delivery in the middle of it? Makes you wonder what the world is coming to… Oh, well, there are worse things in life. Be safe and healthy, everyone, see you on the other side!P.S. Please, keep in mind before buying: the product causes some individuals to become lightheaded due to Andrographis as one of the ingredients.