Spirulina
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Evidence Summary
Spirulina is a blue-green microalgae that has been extensively studied for its impact on metabolic health. Research, including several meta-analyses, indicates potential benefits for improving lipid profiles, glycemic control, and reducing oxidative stress.
Evidence by Condition
Multiple meta-analyses demonstrate that spirulina supplementation can improve lipid concentrations, glycemic control, and inflammatory markers.
A small randomized controlled trial investigated clinical and metabolic parameters, but larger-scale evidence is lacking.
A clinical trial explored the effects on insulin resistance in HIV-infected patients, but the evidence is limited.
Effective Doses
Dose ranges were not explicitly provided in the provided research abstracts.
Key Findings
- Spirulina supplementation significantly improves lipid profiles (PMID: 37263366, PMID: 26433766).
- It may improve glycemic control and serum lipoproteins in patients with metabolic syndrome (PMID: 31359513).
- Spirulina exhibits antioxidant efficacy against oxidative stress and metabolic disturbances (PMID: 35877734).
- Combining spirulina with high-intensity interval training (HIIT) improves inflammatory and lipid-associated biomarkers in men with obesity (PMID: 41850008).
Limitations
The highest quality evidence is concentrated on metabolic parameters, with a significant research gap regarding long-term effects and efficacy in non-metabolic conditions like Alzheimer's.
Safety & Interactions
No specific interactions or contraindications were identified in the provided research summaries.
AI-generated summary from 10 peer-reviewed studies. Not medical advice. Always consult a healthcare provider.
Claims vs. Evidence
| Claim Type | % of Products | Evidence Required | Status |
|---|---|---|---|
| All Other | 98% | Tier D (Unclassified) | ✅ Supported |
| Structure/Function | 82% | Tier C (DSHEA Structure/Function (no pre-approval)) | ✅ Supported |
| Nutrient | 38% | Tier D (Unknown) | ✅ Supported |
| Qualified Health | 1% | Tier B (FDA Qualified Health Claim) | ✅ Supported |
| Approved Health | 1% | Tier A (FDA Approved Health Claim (21 CFR 101.9)) | ⚠️ Unsupported |
| No Claim | 1% | Tier D (No claim on label) | ✅ Supported |
Research by Topic
Research Evidence (10)
**Rahnama et al., 2023** | Pharmacol Res | Meta Analysis Rahnama Iman, Arabi Seyyed Mostafa, ... Sahebkar Amirhossein. The effect of Spirulina supplementation on lipid profile: GRADE-assessed systematic review and dose-response meta-analysis of data ...
**Serban et al., 2016** | Clin Nutr | Meta Analysis Serban Maria-Corina, Sahebkar Amirhossein, ... Banach Maciej. A systematic review and meta-analysis of the impact of Spirulina supplementation on plasma lipid concentrations. Clin Nutr. 2016-Aug;35(...
**Tejero et al., 2024** | Nutr Rev | Systematic Review Tejero Pérez Adrian, Kapravelou Garyfallia, ... Martínez Martínez Rosario. Potential benefits of microalgae intake against metabolic diseases: beyond spirulina-a systematic review of animal studi...
**Yousefi et al., 2019** | Complement Ther Med | Systematic Review Yousefi Reyhaneh, Saidpour Atoosa, Mottaghi Azadeh. The effects of Spirulina supplementation on metabolic syndrome components, its liver manifestation and related inflammatory markers...
**Hamedifard et al., 2019** | Phytother Res | Meta Analysis Hamedifard Zahra, Milajerdi Alireza, ... Asemi Zatollah. The effects of spirulina on glycemic control and serum lipoproteins in patients with metabolic syndrome and related disorders: A syst...
**Tamtaji et al., 2023** | Phytother Res | Rct Tamtaji Omid Reza, Heidari-Soureshjani Reza, ... Kouchaki Ebrahim. The effects of spirulina intake on clinical and metabolic parameters in Alzheimer's disease: A randomized, double-blind, controlled tria...
Lipid peroxidation is associated with the development of some pathologies, such as cardiovascular diseases. Reduction in oxidative stress by antioxidants, such as Arthrospira (formely Spirulina), helps improving this redox imbalance. The aim of the s...
The present research assessed the efficacy of 12-week high-intensity interval training (HIIT) and blue-green algae (Spirulina) consumption on pro-inflammatory and anti-inflammatory factors (Dectin-1, IL-1β, and IL-10), along with lipid-associated sig...
**NCT ID**: NCT01141777 **Phase**: NA **Status**: COMPLETED **Enrollment**: 33 **Completion**: 2009-02
**NCT ID**: NCT01248221 **Phase**: NA **Status**: COMPLETED **Enrollment**: 30 **Completion**: 2011-12
Frequently Asked Questions
What is Spirulina and what are its main benefits?
Spirulina is a type of blue-green microalgae. There is strong evidence that it can support metabolic health by improving lipid profiles, glycemic control, and reducing oxidative stress.
Does Spirulina help with metabolic syndrome?
Yes, there is strong evidence from multiple meta-analyses that spirulina can improve lipid concentrations, glycemic control, and inflammatory markers in people with metabolic syndrome.
Can Spirulina help with Alzheimer's disease?
There is currently insufficient evidence to determine if spirulina is effective for Alzheimer's disease. While small trials have been conducted, larger-scale research is still needed to confirm any benefits.
What is the effective dose of Spirulina?
The provided research does not explicitly provide a specific effective dose range for supplementation. You should consult a healthcare professional to determine the appropriate amount for your needs.
Are there any safety concerns or side effects with Spirulina?
No specific contraindications or safety concerns were identified in the reviewed research. However, you should always consult a doctor before starting a new supplement to ensure it is right for you.
Does Spirulina interact with any medications?
There are no documented drug interactions for spirulina in the available research. However, it is important to discuss any existing medications with your doctor before use.
Can Spirulina help reduce inflammation?
Yes, research indicates that combining spirulina with high-intensity interval training (HIIT) can improve inflammatory biomarkers in men with obesity. It also shows antioxidant efficacy against metabolic disturbances.
Answers generated from research evidence. Not medical advice.