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SuperFlex-3 Advanced

product on market Other (e.g. tea bag) NewtonEverett Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 54% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Calcium, magnesium, and vitamin D3 are supported by strong evidence for maintaining bone density and skeletal health. Vitamin K-1 and vitamin C further contribute to bone mineralization and collagen synthesis. Overall evidence coverage for this specific formulation is limited.

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

Label

Product Label

Label for SuperFlex-3 Advanced
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Packet(s)
Serving Size
30
Servings
Other Combinations
Product Type
54%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
20 mg (33% DV)
267 IU (67% DV)
Within RDA (0.4× RDA) 608 studies (A:16, B:251)
27 mcg (34% DV)
Within RDA (0.2× RDA) 275 studies (A:9, B:175)
Calcium
667 mg (67% DV)
133 mg (33% DV)
Within RDA (0.3× RDA) 316 studies (A:8, B:159)
5 mg (33% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
267 mcg (13% DV)
Within RDA (0.3× RDA) 37 studies (A:0, B:11)
500 mcg (25% DV)
Within RDA (0.2× RDA) 9 studies — no high-quality reviews
Potassium
33 mg (1% DV)
MSM
2300 mg
Market median: 1000.0mg (2 products)
Market median: 600.0mg (79 products) 25 studies (A:0, B:6)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)
Ipriflavone
20 mg
70 mg
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews
1 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
Cetyl Myristoleate
100 mg
Market median: 100.0mg (173 products)
Market median: 500.0mg (138 products) 2 studies — no high-quality reviews
Market median: 450.0mg (254 products) 243 studies (A:0, B:100)
Market median: 250.0mg (337 products) 127 studies (A:1, B:41)
Market median: 260.0mg (249 products) 158 studies (A:4, B:61)
Market median: 375.0mg (171 products) 31 studies (A:1, B:14)
Skullcap 4:1 extract
25 mg
Market median: 167.0mg (311 products) 183 studies (A:0, B:65)
2.5 mg
Market median: 500.0mg (234 products) 95 studies (A:0, B:35)

Other Ingredients

Gelatin Stearic Acid Microcrystalline Cellulose Vegetable Magnesium Stearate Rice powder purified Water Croscarmellose Sodium Hydroxypropyl Methylcellulose Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take 1 packet daily as a dietary supplement, or as direct by a health care professional.

Warnings & Precautions

Caution: Do not exceed recommended dose.

Pregnant or nursing mothers, children under 18, individuals taking anti-coagulant drugs and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under 18, individuals taking anti-coagulant drugs and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.

Warning: Keep out of reach of children.

Do not use if safety seal is damaged or missing.

Allergen warning: Contains crustacean shellfish (lobster, shrimp and crab).

Formulation Notes

SuperFlex-3 Advanced takes the guesswork out of selecting the most effective product to help provide overall joint support. It contains a precise balance of leading joint care ingredients including Glucosamine, Chondroitin, and MSM, plus the proven power of over 20 additional ingredients. These ingredients work to support overall joint health. Unlike many of the existing products available today, that only focus on joint cartilage, SuperFlex-3 Advanced contains specific ingredients found to support overall joint comfort and health.

Advanced Joint Care Formula

Glucosamine 900 mg per serving Chondroitin 720 mg per serving MSM 2300 mg per serving

26 Total active ingredients

Supports Flexibility + Comfort

Additional Information

Store in a cool dry place.

Metadata

Product Details

UPC / SKU8 18423 02773 9
DSLD Entry Date2020-02-26
Product TypeOther Combinations
FormOther (e.g. tea bag)
BrandNewtonEverett
DSLD ID213177
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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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.