Rhodiola
Also known as: Rhodiola rosea, Golden Root, Arctic Root, Rose Root, salidroside, rosavins
Effective Dosage
120-1000 mg daily (based on systematic review data; no single dose confirmed optimal)
What the Science Says
Rhodiola rosea is a flowering plant used as an adaptogen — a substance that helps the body handle physical and psychological stress. Clinical trials show it can meaningfully reduce perceived stress, anxiety, and fatigue, and improve sleep quality, particularly when taken for 60 days or more. Its active compounds, salidroside and rosavins, also show promise in early research for protecting organs under low-oxygen conditions, such as high altitude, and for supporting blood flow in patients with circulatory complications.
What It Doesn't Do
Not a proven standalone treatment for depression or anxiety disorders. Won't replace prescription medications. No solid evidence it directly boosts athletic performance or builds muscle. Don't assume all Rhodiola products are equal — lab testing shows massive variation in actual active compound content between brands.
Evidence-Based Benefits
Rhodiola is an adaptogen known for its potential to reduce fatigue and improve mental performance, particularly during stressful situations. Several systematic reviews and clinical trials suggest it may enhance physical endurance and cognitive function.
Strong EvidenceEffective at: 200-600 mg daily
Source: auto-research
Absorption & Bioavailability
Unknown from provided studies — absorption data for rosavins and salidroside in humans was not reported in the available papers
Red Flags to Watch For
- Massive quality inconsistency: lab testing of U.S. products found active compound levels ranging from near-zero to 3x label claims — you may not be getting what the label says
- Heavy metal contamination detected: all tested capsule products contained trace arsenic, cobalt, and lead; two products had notably elevated cobalt and arsenic levels requiring further safety evaluation
- One tested product contained what appeared to be undisclosed synthetic salidroside — a potential adulteration concern
- Most clinical evidence uses multi-herb formulas (e.g., Rhodiola combined with holy basil and Schisandra), making it hard to isolate Rhodiola's individual contribution
- Herb-drug interactions are a known concern with adaptogens but were not characterized in the provided studies — consult a doctor if on medications
Products Containing Rhodiola
See how Rhodiola is used in these analyzed products:
AG1
Supplement
Moon Juice
Supplement
Care/of Personalized Vitamin Packs
Supplement
SuperGreen Tonik
Supplement
Bloom Nutrition High Energy Pre-Workout
Supplement
Care/of Custom Vitamins
Supplement
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-04-06