Ginza-Plus

Ginza-Plus

Irwin Naturals4.7 (30 ratings)
Format:Softgel Quantity: 75 Softgel(s) · 25 servings
Goals
$13.99 $0.55 per serving

Product analysis

43 out of 100

Ginza-Plus combines rhodiola with other ingredients aimed at support during stress and tiredness. Most forms and the proprietary blend contents are unclear, making it harder to match the formula to preparations associated with those benefits.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality21

Most ingredient forms are not fully disclosed, leaving their quality uncertain. The herbal combination therefore cannot be assumed to match specific preparations associated with fatigue or mental-performance benefits.

Ingredient Transparency54

Amounts are stated for the seven listed entries, but most forms are missing. The proprietary blend also leaves its individual contents unclear.

Value For Money46

Cordyceps has a reasonable serving-cost comparison, while rhodiola is less attractively priced. Fish-oil value cannot be judged without the relevant EPA and DHA amounts, and value from several other ingredients remains uncertain.

Customer Satisfaction70

Customer ratings are favorable, but the review base is limited. Satisfaction is encouraging while offering less certainty about the wider customer experience.

Product Focus38

Stress-related tiredness is the clearest connection, mainly through rhodiola. Preparation differences and the undisclosed blend leave broader mood and focus benefits uncertain.

Format
Softgel
Container
75 Softgel(s)
Per serving
$0.55
Customer rating
4.7 · 30 ratings
Report analysis

Goals

Stress Relief
Impact
Lower effect
C Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Study evidence
Rhodiola Supportive 16 studies
Energy
Impact
Moderate effect
C- Ingredient FitF PathwaysC+ EvidenceA+ Formulation Logic
Fish Oil · 1500 mg
Study evidence
Cordyceps Supportive 2 studies
Fish Oil Disputed 8 studies
Rhodiola Supportive 18 studies
Brain Health
Impact
Moderate effect
D+ Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Study evidence
Rhodiola Supportive 8 studies
Mood Support
Impact
High effect
C Ingredient FitD- PathwaysB+ EvidenceA+ Formulation Logic
Study evidence
Rhodiola Supportive 15 studies
Mental Focus
Impact
Moderate effect
C+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Study evidence
Rhodiola Supportive 15 studies
Cognitive Support
Impact
Moderate effect
C- Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Study evidence
Rhodiola Supportive 7 studies
Productivity Boost
Impact
Lower effect
C- Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Cordyceps · 50 mgCordyceps · 50 mgCordyceps · 50 mg
Study evidence
Cordyceps Not classified 1 study
Rhodiola Supportive 7 studies

Ingredients

IngredientAmount per servingScore
Fish Oil
1500 mg 6
Maca powder
500 mg
Rhodiola (Rhodiola rosea) powder
250 mg 55
Schisandra (Schisandra chinensis) powder
250 mg
Asian Ginseng extract (Ginsenosides)
62 mg
Cordyceps (Cordyceps sinensis) extract
50 mg 42
BioPerine Complex
6 mg
Adults 18–50
Report overview
Rhodiola · 250 mg OverallScore55
D Composition And Label DisclosureB- Composition And Label DisclosureD- Commercial Price And Usability
A serving provides 250 mg of rhodiola rosea powder. The whole-product cost per 200 mg of declared rhodiola is moderate. The rosavin and salidroside percentages are unknown.
How this ingredient is rated

Composition and Label Disclosure47

The species is Rhodiola rosea. The rosavin and salidroside percentages are unknown.
Declared Rhodiola Marker Profile
The rosavin and salidroside percentages are unknown.
Rhodiola Species Detail
The species is Rhodiola rosea.

Composition and Label Disclosure70

The serving lists 250 mg of rhodiola rosea powder. The available information flags an artificial additive, but does not name it.
Rhodiola Amount Disclosure
The selected serving lists 250 mg of rhodiola.
Other Ingredients Disclosure
The available information flags an artificial additive, but does not name it.

Commercial Price and Usability40

The whole-product cost per 200 mg of declared rhodiola is moderate.
Cost per 200 mg Declared Rhodiola
The whole-product cost per 200 mg of declared rhodiola is moderate.
Cordyceps · 50 mg OverallScore42
F Composition And Label DisclosureB- Composition And Label DisclosureB- Commercial Price And Usability
The serving provides 50 mg of Cordyceps Mushroom Extract at a lower cost per serving. No cordycepin, adenosine, beta-glucan or polysaccharide marker is specified in the available information. A species is indicated, but its name is not available in the provided details.
How this ingredient is rated

Composition and Label Disclosure0

No cordycepin, adenosine, beta-glucan or polysaccharide marker is specified in the available information.
Named Marker Disclosure
No cordycepin, adenosine, beta-glucan or polysaccharide marker is specified in the available information.

Composition and Label Disclosure70

The serving contains 50 mg of Cordyceps Mushroom Extract. A species is indicated, but its name is not available in the provided details.
Species and Label Claim Disclosure
A species is indicated, but its name is not available in the provided details.

Commercial Price and Usability70

The cost per serving is lower.
Selected-Serving Price Comparison
The cost per serving is lower.
Fish Oil · 1500 mg OverallScore6
F Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value
Each serving has 1500 mg of fish oil, but its EPA and DHA contribution is unknown. The cost per gram of EPA and DHA cannot be established from the available amounts. The fish oil’s molecular form is not specified. Independent testing is not mentioned in the available information.
How this ingredient is rated

Active Ingredient Quality & Bioavailability14

The fish oil’s molecular form is not specified. A purification method is not specified in the available information. Independent testing is not mentioned in the available information.
Omega-3 Molecular Form
The fish oil’s molecular form is not specified.
Purification & Filtration Method
A purification method is not specified in the available information.
Third-Party Purity & Potency Verification
Independent testing is not mentioned in the available information.
Source & Sustainability
A fish source is indicated, but the species is not specified in the available details.

Dose, Safety & Label Transparency0

The EPA and DHA amounts per serving are unknown. A qualifying antioxidant for oil stability is not identified in the available information.
Total Active Omega-3 Dose (EPA + DHA)
The EPA and DHA amounts per serving are unknown.
Omega-3 Potency & Concentration
The EPA and DHA concentration in the fish oil cannot be established from the available amounts.
EPA & DHA Individual Disclosure
Individual EPA and DHA amounts are unavailable.
Oxidation Protection (Stabilizers)
A qualifying antioxidant for oil stability is not identified in the available information.

Value0

The cost per gram of EPA and DHA cannot be established from the available amounts.
Cost Per Gram of Active EPA + DHA
The cost per gram of EPA and DHA cannot be established from the available amounts.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Dose-Response Effects of Short-Term Rhodiola rosea (Golden Root Extract) Supplementation on Anaerobic Exercise Performance and Cognitive Function in Resistance-Trained Athletes: A Randomized, Crossover, Double-Blind, and Placebo-Controlled Study.
    Koozehchian MS; Newton AT; Mabrey G; Bonness FM; Rafajlovska R; Naderi A · Nutrients · 2025
    Randomized trial27 participantsBrain Health Mental Focus forRhodiola
  2. A combination of green tea, rhodiola, magnesium and B vitamins modulates brain activity and protects against the effects of induced social stress in healthy volunteers.
    Boyle NB; Billington J; Lawton C; Quadt F; Dye L · Nutritional neuroscience · 2022
    Randomized trial100 participantsBrain Health forRhodiola
  3. Rosenroot (Rhodiola rosea): traditional use, chemical composition, pharmacology and clinical efficacy.
    Panossian A; Wikman G; Sarris J · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2010
    Narrative reviewBrain Health forRhodiola
  4. Rhodiola rosea in stress induced fatigue--a double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty.
    Darbinyan V; Kteyan A; Panossian A; Gabrielian E; Wikman G; Wagner H · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2001
    Randomized trial56 participantsBrain Health Productivity Boost forRhodiola
  5. Effects of a Rhodiola rosea extract on mental resource allocation and attention: An event-related potential dual task study.
    Koop T; Dienel A; Heldmann M; Münte TF · Phytotherapy research : PTR · 2021
    Single-arm trial50 participantsBrain Health Cognitive Support forRhodiola
  6. Evidence-based efficacy of adaptogens in fatigue, and molecular mechanisms related to their stress-protective activity.
    Panossian A; Wikman G · Current clinical pharmacology · 2009
    Narrative reviewCognitive Support Mental Focus forRhodiola
  7. Central additive effect of Ginkgo biloba and Rhodiola rosea on psychomotor vigilance task and short-term working memory accuracy.
    Al-Kuraishy HM · Journal of intercultural ethnopharmacology · 2016
    Clinical trial112 participantsCognitive Support forRhodiola
  8. Clinical evidence for the adaptogenic effects of Withania somnifera and Rhodiola rosea - A systematic review with molecular interpretation of psychometric outcomes.
    Łuszczak J; Kocki J · Annals of agricultural and environmental medicine : AAEM · 2026
    Systematic review19 studies pooledCognitive Support Stress Relief forRhodiola
  9. A randomised, double-blind, placebo-controlled, parallel-group study of the standardised extract shr-5 of the roots of Rhodiola rosea in the treatment of subjects with stress-related fatigue.
    Olsson EM; von Schéele B; Panossian AG · Planta medica · 2009
    Randomized trial60 participantsCognitive Support Productivity Boost forRhodiola
  10. Effects of fungal supplementation on endurance, immune function, and hematological profiles in adult athletes: a systematic review and meta-analysis
    Meng-Yuan Shu, Xiu-Chang Zhang, Li Zuo, Fang-Lin Jiang, Jian Liang, Fang Li · Frontiers in Nutrition · 2025
    Meta-analysis34 participants2 studies pooledEnergy forCordyceps
  11. Effect of Cs-4 (Cordyceps sinensis) on exercise performance in healthy older subjects: a double-blind, placebo-controlled trial
    Steve Chen, Zhaoping Li, Robert Krochmal, Marlon Abrazado, Woosong Kim, Christopher B Cooper · Journal of Alternative and Complementary Medicine · 2010
    Randomized trialEnergy forCordyceps
  12. Omega-3 Fatty Acid Supplementation for 12 Weeks Increases Resting and Exercise Metabolic Rate in Healthy Community-Dwelling Older Females.
    Logan SL; Spriet LL · PloS one · 2016
    Randomized trial24 participantsEnergy forFish Oil
  13. Effects of fish oil during hemodialysis on nutritional status and quality of life: a randomized double-blinded trial.
    Zhang C; Ge C; Wang J; Sun D · Food & nutrition research · 2022
    Randomized trial103 participantsEnergy forFish Oil
  14. Supplementation of fish oil and olive oil in patients with rheumatoid arthritis.
    Berbert AA; Kondo CR; Almendra CL; Matsuo T; Dichi I · Nutrition (Burbank, Los Angeles County, Calif.) · 2005
    Randomized trial43 participantsEnergy forFish Oil
  15. DHA-rich Fish Oil Increases the Omega-3 Index and Lowers the Oxygen Cost of Physiologically Stressful Cycling in Trained Individuals.
    Hingley L; Macartney MJ; Brown MA; McLennan PL; Peoples GE · International journal of sport nutrition and exercise metabolism · 2018
    Randomized trial26 participantsEnergy forFish Oil
  16. Fish oil reduces heart rate and oxygen consumption during exercise.
    Peoples GE; McLennan PL; Howe PR; Groeller H · Journal of cardiovascular pharmacology · 2009
    Randomized trial16 participantsEnergy forFish Oil
  17. The Effect of Short-Term Rhodiola rosea Supplementation on Simulated Game Time, Perceived Fatigue, and Performance in Basketball Players.
    Wang J; Zhao H; Yu L; Zhao K; Jiang W; Liu S; Dai J; Xu L; Sun P; Yun H; Liu C · Nutrients · 2025
    Randomized trial48 participantsEnergy forRhodiola
  18. Effects of Rhodiola rosea on Physical and Decision-Making Performance in Football Players: A Randomised Controlled Trial.
    Dou Y; Wang Y; Zhang W; Jiang Y; Zhang J; Yang T; Han Z; Li Y; Liu C; Ren D · Nutrients · 2026
    Randomized trial24 participantsEnergy Mental Focus forRhodiola
  19. Combined Effects of Rhodiola Rosea and Caffeine Supplementation on Straight Punch Explosive Power in Untrained and Trained Boxing Volunteers: A Synergistic Approach.
    Tao B; Sun H; Li H; Xu Z; Xu Y; Chen L; Ma C; Zhang X; Yu L; Bao S; Liu C · Metabolites · 2025
    Randomized trial96 participantsEnergy forRhodiola
  20. Rhodiola rosea in Subjects with Prolonged or Chronic Fatigue Symptoms: Results of an Open-Label Clinical Trial.
    Lekomtseva Y; Zhukova I; Wacker A · Complementary medicine research · 2019
    Single-arm trial100 participantsEnergy Stress Relief forRhodiola