🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 46% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

13.2 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
46% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
2495 IU (50% DV)
Vitamin C
500 mg (833% DV)
120 IU (400% DV)
📊 5.4× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 80.4mg UL 1000mg
500 mg (5000% DV)
📊 100.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 500mg
Calcium
42 mg (4% DV)
3 mg (21% DV)
✅ Within RDA (0.3× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 3mg UL 40mg
420 mcg (21% DV)
✅ Within RDA (0.5× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.42mg UL 10mg
27 mcg (22% DV)
✅ Within RDA (0.8× RDA of 0.035 mg) 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.027mg
6 Gram(s)
📊 Market median: 500.0mg (143 products)
This product: 6mg
670 mg
✅ 1.2× RDA — within safe limits 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 670mg UL 3500mg
200 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 200mg
Glycine
150 mg
2 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 2mg UL 20mg

Other Ingredients

Malic Acid Citric Acid Silicon Dioxide Natural Flavors Fumaric Acid Stevia Leaf Extract

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Suggested Use: For adults only. For maximum benefit, use on an empty stomach. Mix 1 to 3 servings of MUSCLE MEMOPY MEMORY in ice cold water for best flavor. Use 4 oz. of cold water per serving. Stir briskly and serving. Stir briskly and drink about 1 hour before exercise, athletics, or at bedtime.

⚠️ Warnings & Precautions

Safety sealed for your protection. Return for replacement if outer seal is broken.

Caution: Keep out of reach of children.

Use only as directed. There have been a few reports that high dietary levels of arginine may cause reactivation of latent herpes viruses in a few susceptible individuals. If this occurs, discontinue use. Excessive consumption of supplements containing choline can cause excessive muscle tone which may produce symptoms such as stiff neck, muscle tension headaches, or gastric cramps. A few persons may develop a fishy smell when using a supplement contain in a choline due to the bacterial degradation of choline in their gut. Persons with ulcers or a history of ulcers should consult their physician before using a supplement with ulcers or a history of ulcers should consult their physician before using a supplement containing choline since choline may increase stomach acid production. Avoid the use aluminum containing antacids when using this product.

Not for use by diabetics, borderline diabetics, diabetics, pregnant or lactating women, cancer patients, men with an enlarged prostate or with elevated PSA values, persons with ocular or brain herpes, or those with Wilson's Disease (a rare genetic copper meta- bolic disorder), Parkinson's Disease patients, or those taking anticholinergic drugs.

🧪 Formulation Notes

It offers a delicious and nutritious means of supplementing with L-Arginine. This amino acid is the subject of thousands of research studies around the world. MUSCLE MEMORY provides nutrients and other co-factors to enhance the production of nitric oxide, support a healthy cardiovascular system, and promote sexual function. This product contains arginine, choline, vitamin B5, and additional co-factors.

Provides nutrients to enhance the production of nitric oxide, support a healthy cardiovascular system, and promote sexual function. Maintain

MUSCLE MEMORY contains arginine, choline, vitamin B5, and additional cofactors to enhance the production of NO (nitric oxide) support a healthy oxide), support a healthy cardiovascular system and promote sexual function.

Additional Information

MUSCLE MEMORY is a Designer Food dietary supplement designed by life extension scientists Durk Pearson & Sandy Shaw for their own use. L-Arginine has been used by world-class athletes, Olympic weightlifters, bodybuilders, and holders of The Guinness Book of World Records.

Store in a cool, dry place.

Life Priority Your life, Our priority Durk Pearson & Sandy Shaw's® Designer Food

This product should be used within 1 year of purchase or within 6 months after opening. Filled by weight and not by volume. Some settling may occur during shipping and handling.

Product Details

UPC / SKU 6 89771 51085 9
DSLD Entry Date 2025-09-25
Product Type Other Combinations
Form Powder
DSLD ID 334608
Data Updated 2026-04-11

Research Evidence

337 Research Sources
54 Avg Quality Score
161 Meta Analysis
68 Systematic Review
51 Rct
48 Clinical Trial
2 Other
2 Regulatory Source
1 Narrative Review
1 Cochrane Review
1 Guideline
1 Openfda Safety
A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
Meta Analysis The Cochrane database of systematic reviews 2017
A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
Meta Analysis The Cochrane database of systematic reviews 2011
A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
Meta Analysis The Cochrane database of systematic reviews 2011
A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Meta Analysis BMJ (Clinical research ed.) 2011
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019
A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
Narrative Review The Cochrane database of systematic reviews 2016
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020
A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of sport and health science 2023
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019
A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age
Meta Analysis The Cochrane database of systematic reviews 2024
View all evidence for Vitamin A →

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