Last update
4/3/2026
Reviewed By
Overview
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 5 Reviews
8.6
Supplement Facts
Serving Size: 3 Tablets
Amount Per Serving
%DV
Calories
5
Total Carbohydrate
2 g
< 1%â€
Vitamin A (as 80% retinyl acetate and 20% beta carotene)
1,500 mcg
167%
Vitamin C (ascorbic acid)
1,000 mg
1,111%
Vitamin D (as ergocalciferol)
10 mcg
50%
Zinc (as zinc bisglycinate)
15 mg
136%
Selenium (as L-selenomethionine)
25 mcg
45%
Systemic Immunity BlendEchinacea purpurea (stem, leaf, flower), Astragalus (root), Olive (leaf)
455 mg
**
Circulatory BlendGarlic (bulb), Cayenne Pepper (fruit)
350 mg
**
Cellular Immunity BlendIP-6 (Inositol Hexaphosphate) (from Calcium Magnesium Phytate), Maitake (Grifola frondosa) Mycelial & Primordia Biomass, Reishi (Ganoderma lucidum) Mycelial & Primordia Biomass, Shiitake (Lentinula edodes) Mycelial & Primordia Biomass, Yamabushitake (Hericium erinaceus) Mycelial & Primordia Biomass
315 mg
**
Digestive BlendArabinogalactan (from Larix laricina), Oregon Grape (Mahonia aquifolium) (root and stem), Goldenseal (Hydrastis canadensis) (aerial parts), Fructooligosaccharides
290 mg
**
Respiratory BlendFenugreek (seed), Horehound (herb), Thyme (leaf), Elecampane (root)
240 mg
**
Eleuthero (root)
65 mg
**
Guggul Extract (gum resin)
65 mg
**
Rosemary (leaf)
65 mg
**
Gotu Kola (stem, leaf)
50 mg
**
Plantain (leaf)
20 mg
**
Most Useful Reviews
9
Stopped bronchitis episodes
27 people found this helpful
The most effective vitamin I have ever taken! I wanted to try these vitamins for some time to provide a fair review. Since starting in January 2013, I can confidently say they're the best. In 2012, I suffered from frequent colds, flus, and bouts of bronchitis. My immune system was so weak that merely hearing of an illness would make me feel unwell. However, since taking Nature's Way SystemWell Ultimate Immunity, I have not been ill this year! Once, I felt under the weather after forgetting to take the vitamins, but after taking a higher dose and drinking herbal tea, I felt better by morning. The tablets are quite large, so I recommend using a pill cutter if necessary, but they are well worth trying!
Read More
9
Helped recover quickly
7 people found this helpful
I bought this when I couldn't overcome bronchitis and pneumonia after several antibiotics. I’m so relieved I did! While it did upset my stomach over time, I plan to use it again if I fall ill.
Read More
9
Quick relief from bronchitis
1 people found this helpful
After suffering from bronchitis and finding antibiotics ineffective, I took this product and felt better within three days. I continue taking it when travelling or around sick colleagues. Since that bout of bronchitis nearly two years ago, I have not fallen ill again.
Read More
User Reviews
USERS' SCORE
Good
Based on 5 Reviews
8.6
- All Reviews
- Positive Reviews
- Negative Reviews
9
Stopped bronchitis episodes
27 people found this helpful
The most effective vitamin I have ever taken! I wanted to try these vitamins for some time to provide a fair review. Since starting in January 2013, I can confidently say they're the best. In 2012, I suffered from frequent colds, flus, and bouts of bronchitis. My immune system was so weak that merely hearing of an illness would make me feel unwell. However, since taking Nature's Way SystemWell Ultimate Immunity, I have not been ill this year! Once, I felt under the weather after forgetting to take the vitamins, but after taking a higher dose and drinking herbal tea, I felt better by morning. The tablets are quite large, so I recommend using a pill cutter if necessary, but they are well worth trying!
Read More
9
Helped recover quickly
7 people found this helpful
I bought this when I couldn't overcome bronchitis and pneumonia after several antibiotics. I’m so relieved I did! While it did upset my stomach over time, I plan to use it again if I fall ill.
Read More
9
Quick relief from bronchitis
1 people found this helpful
After suffering from bronchitis and finding antibiotics ineffective, I took this product and felt better within three days. I continue taking it when travelling or around sick colleagues. Since that bout of bronchitis nearly two years ago, I have not fallen ill again.
Read More
9
No more bronchitis
Excellent product! I had severe issues with animal hair and pollen allergies, leading to regular bronchitis. After my pharmacist suggested System Well Ultimate Immunity, I decided to try it. Within two weeks, my symptoms improved, and I became completely symptom-free after a month. Previously, I would catch colds every winter, but since taking these tablets, I haven't fallen ill. My best friend is now taking them too. I'm thrilled to have found such an effective remedy!
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7.5
Prevented infections effectively
5 people found this helpful
It works! As an older woman, I've had pneumonia, bronchitis, or other infections with every cold for the last five years. After struggling with two colds that led to upper respiratory infections lasting weeks, I started taking these vitamins. A subsequent cold was much milder and only lasted three days. Despite constant exposure to my grandchildren's colds, I have stayed healthy for almost three months now while only taking two pills a day. I affectionately refer to them as my "Shake'n'Bake pills" due to their peculiar smell!
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Frequently Asked Questions
9
No more bronchitis
Excellent product! I had severe issues with animal hair and pollen allergies, leading to regular bronchitis. After my pharmacist suggested System Well Ultimate Immunity, I decided to try it. Within two weeks, my symptoms improved, and I became completely symptom-free after a month. Previously, I would catch colds every winter, but since taking these tablets, I haven't fallen ill. My best friend is now taking them too. I'm thrilled to have found such an effective remedy!
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