NAC (N-Acetyl Cysteine) vs Brown Rice Protein
Immune vs Protein · evidence-backed comparison
- • NAC (N-Acetyl Cysteine) has the stronger evidence base (strong (multiple rcts / meta-analyses)).
- • NAC (N-Acetyl Cysteine) has the broader effect profile across the 9 effect categories.
- • NAC (N-Acetyl Cysteine) is cheaper per serving ($0.22 vs $0.70).
- • Brown Rice Protein has a slightly cleaner safety profile.
Side-by-side traits
| Trait | NAC (N-Acetyl Cysteine) | Brown Rice Protein |
|---|---|---|
Category | Immune | Protein |
Active compound | N-acetyl L-cysteine | Hypoallergenic rice protein |
Form available | Capsule, Powder | Powder |
Source | synthetic | plant |
Typical dose | 600–1800 mg daily | 30–48 g per serving |
Dose range | 600–1800 mg | 30–48 g |
Loading protocol | — | — |
Best taken with | empty stomach or with food | blended with pea or fruit |
Best time of day | any | post-workout |
Bioavailability How efficiently the body absorbs and utilizes the compound. | Moderate (3/5) | Moderate (3/5) |
Onset time | Acute and cumulative | Acute: 60–90 min |
Half-life | ~6 hours | — |
Evidence level Quality and quantity of human research. | Strong (multiple RCTs / meta-analyses) | Limited (small studies) |
Overall effect Subjective effect magnitude. | Moderate (3/5) | Moderate (3/5) |
Muscle / strength | Low (2/5) | Moderate (3/5) |
Physical energy | Low (2/5) | Low (2/5) |
Focus / cognition | Low (2/5) | Very Low (1/5) |
Mood / stress | Moderate (3/5) | Low (2/5) |
Sleep quality | Very Low (1/5) | Very Low (1/5) |
Immunity | High (4/5) | Low (2/5) |
Recovery Post-exercise recovery support. | Moderate (3/5) | Moderate (3/5) |
Longevity / healthspan | High (4/5) | Low (2/5) |
Safety rating 5 = exceptionally well-tolerated; 1 = significant risk profile. | High (4/5) | Very High (5/5) |
Price per serving Approximate USD per typical daily dose. | $0.22 | $0.70 |
Vegan friendly | Yes | Yes |
Gluten free | Yes | Yes |
3rd-party tested | Yes | Yes |
About NAC (N-Acetyl Cysteine)
Glutathione precursor used clinically for liver protection (acetaminophen overdose). Strong evidence for OCD, COPD, and PCOS.
About Brown Rice Protein
Hypoallergenic vegan protein, low in lysine but high in cysteine. Best blended 70/30 with pea protein for a complete amino profile.
Vetted brands, third-party testing, ships worldwide.
Vetted brands, third-party testing, ships worldwide.
NAC (N-Acetyl Cysteine) safety
Common side effects:
- • Sulfur smell
- • GI upset
- • Headache
Avoid if:
- • Asthma (rare bronchospasm)
Drug interactions:
- • Nitroglycerin
- • Anticoagulants
- • Activated charcoal
Brown Rice Protein safety
Common side effects:
- • Gritty texture
- • Heavy metal concerns (buy 3rd-party tested)
Common uses
- • Liver protection
- • Lung health
- • OCD / mental health
- • PCOS
Stacks well with: Vitamin C, Selenium (Selenomethionine)
Common uses
- • Allergy-friendly protein
- • Vegan blends
Stacks well with: Pea Protein
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Medical disclaimer
SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements — especially if you are pregnant, breastfeeding, take prescription medication, or have a chronic condition.