Doctor's Best Pure L-Arginine Powder

Doctor's Best · Pure L-Arginine Powder

Doctor's Best

Pure L-Arginine Powder

Amino acid/Protein50 servings

Looks good our read

The dose here lands inside the range studies actually used.

Dose At dose vs. studied dose

  • Vegan
  • Vegetarian
  • Gluten Free
Quality

How it scores

$15.884.4 (1,097)

Overall

A

Evidence

A

Dose

A

Formulation

A

Brand

82/100

The label

What's in it, judged

Supplement Facts

Serving Size: 6 Gram(s) (1 scoop)

50 per container

IngredientAmount%DV

† Daily Value not established

Other ingredients: None.

Suggested Adult Use: Mix 1 level scoop in 8 oz. juice or beverage of your choice daily, or as recommended by a nutritionally-informed physician.

at the studied dose Every ingredient links to our evidence.

Reported interactions

Interacts with:
Nitroglycerin ·Antihypertensives ·Pravastatin ·Simvastatin ·Riluzole ·Edaravone
Side effects:
Death ·Dyspepsia ·Nausea ·Dizziness ·Headache ·Dermatitis

From research databases. Not medical advice — talk to your physician.

Dose check

Is it dosed to do anything?

What L-Arginine Hydrochloride is good for

  • Heart rate responseC

    Heart rate response to stress or stimulants

    Cardiovascular

  • Aerobic capacityB

    Higher VO2max or VO2peak

    Exercise performance

  • Amino acid profileC

    Higher amino acid levels

    Glycemic & metabolic

  • Endothelial functionA

    Better endothelial function

    Cardiovascular

  • Endurance performanceA

    Better endurance exercise performance

    Exercise performance

The brand

Doctor's Best

82/100

Doctor's Best shows a mixed trust profile, with visible transparency signals and a product-specific COA, but the provided materials do not establish broad, independently verified quality control.

Quality 69
Formulation 84
Safety 97
Transparency 78
Value 92
  • ✓ Third-party tested
  • ✓ Effective dosing
  • ✓ Premium ingredients
Read the full Doctor's Best investigation →

You might also like

Want personalized recommendations?

Show me what works for me