HARD RHINO Pure L-Tyrosine Free Form Amino Powder
Brand: HARD RHINO · Form: POWDER [E0162] On Market
Our assessment
The evidence shows that L-Tyrosine is an amino acid that may support cognitive function under stress, but the data for this specific product is limited. Our assessment is based on the ingredient’s known role in neurotransmitter production, though you should be aware that the provided data does not include specific clinical studies on L-Tyrosine itself. For calcium, a mineral present in some formulations, the data confirms its role in bone health and nerve signaling [NIH ODS].
How it works
Think of L-Tyrosine as a building block for key brain chemicals. Your body uses it to produce dopamine and norepinephrine, which are crucial for focus, alertness, and managing stress. This process can help you maintain mental performance during demanding tasks. For calcium, it acts as a master regulator for bone mineralization and neuromuscular relaxation, supporting muscle function and nerve signaling throughout your body [NIH ODS].
Safety profile
FDA received 592,059 total adverse event reports across all supplements, but specific report counts for L-Tyrosine or this product are not available. For calcium, high intakes can increase the risk of heart disease and prostate cancer, and may cause side effects like constipation, nausea, weight loss, extreme tiredness, frequent urination, and abnormal heart rhythms [NIH ODS] [FDA data]. Calcium can also reduce the absorption of medications such as bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS].
Our recommendation
Start with a low dose of L-Tyrosine and assess your response, as individual tolerance varies. If you are taking any medications, especially for thyroid conditions or infections, consult your pharmacist or doctor before use due to potential interactions with calcium [NIH ODS]. For optimal safety, choose a product from a reputable brand that undergoes third-party testing. If you experience nausea or unusual fatigue, discontinue use and speak with a healthcare professional.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | HARD RHINO |
|---|---|
| Serving Size | |
| Contents | 500.0 Gram(s) 1.1 lb |
| Market Status | On Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide