Cordyceps vs Iodine (Potassium Iodide)
Adaptogen vs Mineral · evidence-backed comparison
- • Iodine (Potassium Iodide) has the stronger evidence base (strong (multiple rcts / meta-analyses)).
- • Cordyceps has the broader effect profile across the 9 effect categories.
- • Iodine (Potassium Iodide) is cheaper per serving ($0.05 vs $0.60).
- • Cordyceps has a slightly cleaner safety profile.
- • Iodine (Potassium Iodide) has higher bioavailability (better absorption).
Side-by-side traits
| Trait | Cordyceps | Iodine (Potassium Iodide) |
|---|---|---|
Category | Adaptogen | Mineral |
Active compound | Cordycepin, polysaccharides | Potassium iodide |
Form available | Capsule, Powder | Capsule, Tablet, Liquid |
Source | fungal | mineral |
Typical dose | 1–3 g daily | 150 mcg daily |
Dose range | 1–3 g | 150–300 mcg |
Loading protocol | — | — |
Best taken with | with food | with food |
Best time of day | morning | morning |
Bioavailability How efficiently the body absorbs and utilizes the compound. | Moderate (3/5) | Very High (5/5) |
Onset time | Cumulative: 3–6 weeks | Cumulative: 2–8 weeks |
Half-life | — | — |
Evidence level Quality and quantity of human research. | Limited (small studies) | Strong (multiple RCTs / meta-analyses) |
Overall effect Subjective effect magnitude. | Low (2/5) | Low (2/5) |
Muscle / strength | Low (2/5) | Very Low (1/5) |
Physical energy | High (4/5) | Low (2/5) |
Focus / cognition | Low (2/5) | Very Low (1/5) |
Mood / stress | Low (2/5) | 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) | Very Low (1/5) |
Longevity / healthspan | Moderate (3/5) | Low (2/5) |
Safety rating 5 = exceptionally well-tolerated; 1 = significant risk profile. | High (4/5) | Moderate (3/5) |
Price per serving Approximate USD per typical daily dose. | $0.60 | $0.05 |
Vegan friendly | Yes | Yes |
Gluten free | Yes | Yes |
3rd-party tested | Yes | Yes |
About Cordyceps
Medicinal mushroom that may improve VO2 max and oxygen utilization in untrained adults. Best evidence is for endurance and immune support.
About Iodine (Potassium Iodide)
Essential for thyroid hormone synthesis. Iodized salt usually covers needs; supplement only if confirmed deficient.
Vetted brands, third-party testing, ships worldwide.
Vetted brands, third-party testing, ships worldwide.
Cordyceps safety
Common side effects:
- • Mild GI upset
- • Dry mouth
Avoid if:
- • Bleeding disorders
- • Autoimmune disease
Drug interactions:
- • Anticoagulants
- • Immunosuppressants
Iodine (Potassium Iodide) safety
Common side effects:
- • Acne
- • Hyperthyroidism (high doses)
- • Goitre (paradox)
Avoid if:
- • Hyperthyroid
- • Graves' disease
- • Hashimoto's (caution)
Drug interactions:
- • Lithium
- • Anti-thyroid drugs
Common uses
- • Endurance
- • Immune support
- • Energy
- • Lung function
Stacks well with: Lion's Mane Mushroom
Common uses
- • Thyroid support
- • Pregnancy
- • Iodine deficiency
Stacks well with: Selenium (Selenomethionine)
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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.