$66.50 $1.10 per serving
Product analysis
DopaPlus combines tyrosine, rhodiola and nutrients for focus and mental performance, with possible benefits mainly in demanding or tiring situations. The rhodiola extract is not identified closely enough to assume the effects seen with specific tested extracts.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality45
Rhodiola has a clearly identified species, which helps distinguish it from less specific botanical ingredients. That does not identify the exact extract or establish better mental performance, and the quality of the other ingredients remains uncertain.
Ingredient Transparency76
Ingredient amounts and most forms are listed, making the formula partly easy to compare. Tyrosine lacks a stated form, and the proportions within the rhodiola and green tea declarations are not disclosed.
Value For Money32
The amounts of tyrosine and rhodiola are expensive for what you receive. Value for the other ingredients remains uncertain, so they do not provide a clear reason to pay the higher cost.
Customer Satisfaction57
Customer feedback leans positive. The small number of reviews makes that impression less dependable.
Product Focus65
The formula is aimed at focus and cognitive support, but the possible benefits depend on stress, fatigue or low nutrient intake. Better everyday concentration in well-rested, well-nourished adults is not established.
- Format
Capsule - Container
- 180 Capsule(s)
- Per serving
- $1.10
- Customer rating
- 4.0 · 14 ratings
Goals
Impact
High effect
Vitamin B6 · 6.7 mgFolate · 833 mcg DFEGreen Tea · 100 mg
L-Tyrosine Not classified
No linked studies yet.
Impact
High effect
Folate · 833 mcg DFEVitamin B6 · 6.7 mg
Impact
Lower effect
L-Tyrosine Not classified
No linked studies yet.
Impact
High effect
Folate · 833 mcg DFEVitamin B6 · 6.7 mg
L-Tyrosine Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin B6 (Pyridoxal 5-Phosphate) | 6.7 mg | |
Folate (Metafolin) | 833 mcg DFE | |
Zinc (Zinc Picolinate) | 10 mg | |
L-Tyrosine | 1000 mg | |
Velvet Bean (Mucuna pruriens) extract (L-Dopa) | 200 mg | |
Rhodiola (Rhodiola rosea) extract (Salidroside, total Rosavins) | 100 mg | |
Grape (Vitis vinifera) extract (Polyphenols) | 100 mg | |
Green Tea (Camellia sinensis) extract (EGCG, total Tea Catechins) | 100 mg |
Rhodiola (Salidroside, total Rosavins) · 100 mg OverallScore84
A serving provides 100 mg of Rhodiola rosea root extract, with a high cost for the declared Rhodiola amount. The extract lists 3% rosavins and 1% salidrosides. No configured artificial additives or flow agents are indicated.
How this ingredient is rated
Composition and Label Disclosure100
The source is Rhodiola rosea root extract. The extract lists 3% rosavins and 1% salidrosides.
Declared Rhodiola Marker Profile
The extract lists 3% rosavins and 1% salidrosides.
Rhodiola Species Detail
The source is Rhodiola rosea root extract.
Composition and Label Disclosure100
The serving declares 100 mg of Rhodiola. No configured artificial additives or flow agents are indicated.
Rhodiola Amount Disclosure
The serving declares 100 mg of Rhodiola rosea root extract.
Other Ingredients Disclosure
No configured artificial additives or flow agents are indicated.
Commercial Price and Usability20
The cost per 200 mg of declared Rhodiola is high.
Cost per 200 mg Declared Rhodiola
The cost per 200 mg of declared Rhodiola is high.
Tyrosine · 1000 mg OverallScore70
1000 mg of L-tyrosine per serving comes at a high full-serving cost per gram of tyrosine. That amount falls within the range used for acute cognitive support. No additional sourcing or purity information is indicated.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
It uses L-tyrosine, a standard form that raises tyrosine levels. No additional sourcing or purity information is indicated.
Tyrosine Chemical Form
It uses L-tyrosine, a standard form that raises tyrosine levels.
Purity and Sourcing Signals
No additional sourcing or purity information is indicated.
Dose, Safety & Label Transparency100
A serving supplies 1000 mg of tyrosine. That amount falls within the range used for acute cognitive support. The individual tyrosine amount is stated.
Tyrosine Dosage Adequacy
A serving supplies 1000 mg of tyrosine. That amount falls within the range used for acute cognitive support.
Label Transparency and Blends
The individual tyrosine amount is stated.
Value10
The full serving price is high when expressed per gram of tyrosine.
Price per Gram of Tyrosine
The full serving price is high when expressed per gram of tyrosine.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- B vitamins and prevention of cognitive decline and incident dementia: a systematic review and meta-analysis.
- Folate and long-chain polyunsaturated fatty acid supplementation during pregnancy has long-term effects on the attention system of 8.5-y-old offspring: a randomized controlled trial.
- Folic acid supplementation improves cognitive function in participants with cerebral small vascular disease-related cognitive impairment: a randomized controlled trial.
- Circulating folate concentrations and the risk of mild cognitive impairment: A prospective study on the older Chinese population without folic acid fortification.
- Normal-But-Low Serum Folate Levels and the Risks for Cognitive Impairment.
- 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.
- 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.
- Rosenroot (Rhodiola rosea): traditional use, chemical composition, pharmacology and clinical efficacy.
- 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.
- Effects of a Rhodiola rosea extract on mental resource allocation and attention: An event-related potential dual task study.
- Combined L-carnosine and L-tyrosine supplementation as an ergogenic strategy for physical and cognitive performance under fatigue in professional football players.
- Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands--A review.
- Influence of nutritional tyrosine on cognition and functional connectivity in healthy old humans.
- Dietary Tyrosine Intake (FFQ) Is Associated with Locus Coeruleus, Attention and Grey Matter Maintenance: An MRI Structural Study on 398 Healthy Individuals of the Berlin Aging Study-II.
- Baseline-dependent effect of dopamine's precursor L-tyrosine on working memory gating but not updating.
- Vitamin B12, B6, or Folate and Cognitive Function in Community-Dwelling Older Adults: A Systematic Review and Meta-Analysis.
- Relationship between serum pyridoxal 5'-phosphate concentration and cognitive function in older Japanese.
- A randomized, controlled trial to evaluate the efficacy of pyridoxine and ascorbic acid on cognitive function and quality of life in post-menopausal women.
- Lower Plasma Vitamin B-6 is Associated with 2-Year Cognitive Decline in the Boston Puerto Rican Health Study.
- Are Dietary Supplements and Nutraceuticals Effective for Musculoskeletal Health and Cognitive Function? A Scoping Review.