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Muscle Support

product on market Capsule Instaflex Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains essential minerals and vitamins that support muscle function and bone health. While there is strong evidence for the roles of magnesium, potassium, and calcium in neuromuscular activity, overall evidence coverage for this specific combination is limited. The ingredients are generally recognized as safe for consumption.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Muscle Support
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

400 IU (100% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)
30 IU (100% DV)
1.3× RDA — within safe limits 179 studies (A:3, B:90)
Calcium
300 mg (30% DV)
150 mg (37.5% DV)
Within RDA (0.4× RDA) 316 studies (A:8, B:159)
Potassium
99 mg (3% DV)
Market median: 420.0mg (227 products)

Other Ingredients

Gelatin Rice Flour
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

USAGE: As a dietary supplement, take 3 capsules daily with water. For best results, light exercise and sensible diet are recommended.

Warnings & Precautions

Keep out of reach of children.

PRECAUTIONS: Use only as directed. Consult a health care practitioner before use if you are pregnant or nursing, alergic to asprin, have a serious medical condition or use prescription medications. For adult use only.

Additional Information

Keep product at room temperature and humidity (59-86F, 40% RH).

Instaflex also recommends the following:

Instaflex Bone Support • Support Bone Building • Stengthen Bones • Improve Density

Instaflex is a revolutionary joint health formula that has been scientifically formulated to help relieve stiff, achy joints and support cartilage repair. Featuring an exclusive compound of eight key ingredients that have been clinically tested for maximum effectiveness. Use Instaflex daily for happy, healthy, active lives.*

Instaflex Joint Support • Relieve Discomfort • Improve Flexibility • Increase Mobility

Instaflex Multivitamin • Support Immune System • Improve Total Health • Increase Energy

MADE IN USA

Reduce Cramping Decrease Soreness Speed Recovery

Reduces Cramping*

Support Muscle Health

www.Instaflex.com

Metadata

Product Details

UPC / SKU8 55710 00203 1
DSLD Entry Date2011-11-25
Product TypeOther Combinations
FormCapsule
BrandInstaflex
DSLD ID2434
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
309
Meta Analysis
309
Clinical Trial
111
Rct
71
Systematic Review
55
Guideline
4
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
2
Observational
1
Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
View all evidence for Vitamin D →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.