Suggested Use
At the first sign of phlegm or respiratory discomfort, take 2 tablets daily.
Warnings
Keep out of reach of children. If you are pregnant, nursing, taking medication, or have a medical condition, consult your physician before use. Do not exceed recommended dose.
Storage
Store in a cool, dry place away from direct sunlight.
Manufactured For
Metabolic Flexibility Research Foundation. 1680 SW Bayshore Boulevard, Ste 100, Port St. Lucie, FL 34984
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.
Metabolic Flexibility Research Foundation
PHLEGM IMMUNE
Foundation™
Supports clear airways and lung recovery
Supports smoking cessation and lung health by clearing mucus, restoring glutamine and glutamate balance, and boosting immune antioxidant protection.
60 Tablets · 30-Day Supply
Dietary Supplement
Supplement Facts
Serving Size: 2 Tablets
Servings Per Container: 30
- Vitamin C (as Ascorbic Acid)100 mg111%
- N-Acetyl Cysteine500 mg†
† Daily Value not established.
Label artwork in production — shown in the MFRF house style.
Phlegm Immune Foundation™
Supports smoking cessation and lung health by clearing mucus, restoring glutamine and glutamate balance, and boosting immune antioxidant protection.
- NAC thins and helps clear excess mucus
- Replenishes glutathione, the lungs' antioxidant
- Supports respiratory recovery for quitting smokers
This foundation is in final production. It will launch at $69.99 for 60 Tablets.
Not Just for Smokers
Phlegm Immune Foundation was designed primarily with the quitting smoker in mind. But excess mucus, chronic phlegm, and compromised respiratory immunity are not problems exclusive to smokers.
Allergies. Chronic sinusitis. Post-nasal drip. Air pollution. Dairy sensitivity. Repeated respiratory infections. Millions of people who have never touched a cigarette struggle daily with excess mucus production and the inflammation that drives it — waking up congested, clearing their throat constantly, and dealing with the fatigue and discomfort that chronic phlegm brings.
The underlying mechanisms are the same whether the cause is tobacco smoke or environmental irritants — oxidative stress in the airways, thickened mucus that the body cannot clear efficiently, and a depleted antioxidant defense system that cannot keep pace with the inflammatory load.
Every cigarette delivers over 7,000 chemicals directly into the airways. When someone quits smoking, the lungs begin an extraordinary process of repair — but the body needs specific nutritional support to complete that repair efficiently. Phlegm Immune Foundation addresses those mechanisms directly — for smokers in recovery and for anyone who simply wants to breathe more freely.
The Science Behind the Formula
N-Acetyl Cysteine (NAC)
500 mgNAC is one of the most extensively researched respiratory compounds in clinical medicine. Research published in 2024 confirms that NAC is a dual-action mucolytic and antioxidant agent — capable of thinning and clearing mucus secretions while simultaneously fighting the oxidative damage that drives chronic respiratory inflammation. NAC is a precursor of L-cysteine — the amino acid cells need to produce glutathione, one of the most powerful antioxidants in the body. Smoking depletes glutathione levels dramatically; NAC directly replenishes the raw material the body needs to rebuild it. A randomized clinical trial found that NAC modulates glutamate signaling and affects dopamine release in the central nervous system, reducing the reinstatement of drug-seeking behavior.
Vitamin C (as Ascorbic Acid)
100 mgVitamin C is the lung's primary water-soluble antioxidant — the first line of defense against the oxidative damage generated by cigarette smoke, air pollution, and respiratory infection. Smokers are chronically depleted in Vitamin C, requiring significantly more than non-smokers to maintain the same blood levels. Vitamin C also works synergistically with NAC — supporting glutathione recycling and regenerating other antioxidants that the oxidative stress of smoking and quitting has depleted.
Supplement Facts
- Vitamin C (as Ascorbic Acid)100 mg111%
- N-Acetyl Cysteine500 mg†
* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value not established.
Suggested Use
At the first sign of phlegm or respiratory discomfort, take 2 tablets daily.
Warnings
Keep out of reach of children. If you are pregnant, nursing, taking medication, or have a medical condition, consult your physician before use. Do not exceed recommended dose.
Storage
Store in a cool, dry place away from direct sunlight.
Part of a complete system
The same glyphosate-damaged microbiome and leaky gut that drives metabolic dysfunction also compromises the immune system. Phlegm Immune Foundation addresses the respiratory and immune consequences of that vulnerability directly — while NAC's glutamate-modulating properties provide an additional layer of craving support that complements the neurochemical work of Craving Control Foundation. Together these two products form a complete biochemical support system for the quitting smoker.
Pairs well with
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.