Osteo Bi-Flex Triple Strength + Vitamin D

Osteo Bi-Flex Triple Strength + Vitamin D

Osteo Bi-Flex4.6 (17,327 ratings)
Format:Tablet Quantity: 80 Tablet(s) · 40 servings
Goals
$14.30 $0.35 per serving

Product analysis

62 out of 100

Osteo Bi-Flex Triple Strength + Vitamin D offers vitamin D support when intake is low alongside ingredients intended for joints. The boswellia preparation and blend contents are not clearly identified, so their suitability is harder to judge.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality84

Vitamin D3 is the clearest ingredient-quality strength. Unspecified forms and an unidentified blend leave the quality of the rest of the formula less certain.

Ingredient Transparency54

Declared amounts are available, but most forms and the blend composition are not disclosed. Those gaps limit meaningful comparisons of the joint-focused ingredients.

Value For Money32

The vitamin D contribution looks costly at the full serving price. Value for the remaining ingredients cannot be established confidently, so the blend has no clear value advantage.

Customer Satisfaction89

Customer satisfaction is high across many thousands of ratings. The large review base supports confidence in that satisfaction pattern, rather than proving joint benefits.

Product Focus39

Vitamin D provides the clearest supported nutritional contribution when intake is low. The unidentified blend and unresolved boswellia details limit confidence in the wider joint-related purpose.

Format
Tablet
Container
80 Tablet(s)
Per serving
$0.35
Customer rating
4.6 · 17,327 ratings
Report analysis

Goals

Impact
High effect
C Ingredient FitC- PathwaysA EvidenceA- Formulation Logic
Vitamin D · 2000 IUBoswellia · 100 mg
Study evidence
Boswellia Supportive 19 studies
Vitamin D Supportive 101 studies
Longevity
Impact
Moderate effect
B Ingredient FitF PathwaysB+ EvidenceA- Formulation Logic
Vitamin D · 2000 IU
Study evidence
Boswellia Not classified

No linked studies yet.

Vitamin D Supportive 50 studies
Everyday Health
Impact
High effect
B- Ingredient FitC- PathwaysB+ EvidenceA+ Formulation Logic
Vitamin D · 2000 IU
Study evidence
Vitamin D Supportive 115 studies
Testosterone Support
Impact
Moderate effect
B- Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Vitamin D · 2000 IU
Study evidence
Vitamin D Supportive 56 studies
Immunity
Impact
High effect
B- Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Vitamin D · 2000 IU
Study evidence
Vitamin D Supportive 85 studies

Ingredients

IngredientAmount per servingScore
Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s)
Vitamin D (Cholecalciferol, Vitamin D3)
2000 IU 65
Sodium
20 mg
Glucosamine HCl
1500 mg
Joint Shield 5-Loxin Advanced Boswellia serrata extract
100 mg 30
Chondroitin/MSM Complex
275 mg
Gluten Free Adults 18–50
Report overview
Boswellia · 100 mg OverallScore30
F Composition And Label DisclosureC Composition And Label Disclosure
Each serving provides 100 mg of Boswellia serrata extract. The boswellic acid percentage is unknown. Value was not assessed.
How this ingredient is rated

Composition and Label Disclosure0

The boswellic acid percentage is unknown.
Marker and Preparation Disclosure
The boswellic acid percentage is unknown.

Composition and Label Disclosure60

The serving lists 100 mg of Boswellia serrata extract. The boswellic acid percentage is unknown.
Boswellia Amount and Marker Disclosure
The serving lists 100 mg of Boswellia serrata extract. The boswellic acid percentage is unknown.

Commercial Price and Usability

Value was not assessed.
A- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value
A serving provides 2000 IU of vitamin D at a high cost per 1,000 IU, but titanium dioxide is listed. It uses vitamin D3. The available details do not show a quality certification.
How this ingredient is rated

Active Ingredient Quality & Bioavailability87

It uses vitamin D3 (cholecalciferol). The raw source of the vitamin D3 is not specified in the available information.
Vitamin D3 vs. D2 Superiority
It uses vitamin D3 (cholecalciferol).
Sourcing and Active Marker Disclosure
The raw source of the vitamin D3 is not specified in the available information.

Dose, Safety & Label Transparency61

A serving provides 2000 IU of vitamin D. Titanium dioxide is listed. The available details do not show a quality certification.
Daily Dosage Appropriateness
A serving provides 2000 IU of vitamin D.
Excipient and Additive Purity
Titanium dioxide is listed; artificial colors and hydrogenated oils are not.
Purity and Quality Certification
No certification or other quality assurance evidence is available in the details.

Value30

The cost per 1,000 IU of vitamin D is high.
Price per 1,000 IU Efficiency
The cost per 1,000 IU of vitamin D is high.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Vitamin D supplementation for prevention of mortality in adults.
    Bjelakovic G; Gluud LL; Nikolova D; Whitfield K; Wetterslev J; Simonetti RG; Bjelakovic M; Gluud C · The Cochrane database of systematic reviews · 2014
    Meta-analysis95,286 participants159 studies pooledEveryday Health forVitamin D
  2. Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
    Abbasnezhad A; Amani R; Hajiani E; Alavinejad P; Cheraghian B; Ghadiri A · Neurogastroenterology and motility · 2018
    Randomized trial90 participantsEveryday Health forVitamin D
  3. The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
    Kow CS; Ramachandram DS; Hasan SS; Wong Z; Thiruchelvam K · Inflammopharmacology · 2024
    Meta-analysis2,495 participants19 studies pooledEveryday Health forVitamin D
  4. Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
    Heath AK; Kim IY; Hodge AM; English DR; Muller DC · International journal of environmental research and public health · 2019
    Systematic review84 studies pooledEveryday Health forVitamin D
  5. Meta-analysis of long-term vitamin D supplementation on overall mortality.
    Zheng Y; Zhu J; Zhou M; Cui L; Yao W; Liu Y · PloS one · 2014
    Meta-analysis42 studies pooledEveryday Health forVitamin D
  6. Vitamin D supplementation to prevent acute respiratory infections: individual participant data meta-analysis.
    Martineau AR; Jolliffe DA; Greenberg L; Aloia JF; Bergman P; Dubnov-Raz G; Esposito S; Ganmaa D; Ginde AA; Goodall EC; Grant CC; Janssens W; Jensen ME; Kerley CP; Laaksi I; Manaseki-Holland S; Mauger D; Murdoch DR; Neale R; Rees JR; Simpson S; Stelmach I; Trilok Kumar G; Urashima M; Camargo CA; Griffiths CJ; Hooper RL · Health technology assessment (Winchester, England) · 2020
    Meta-analysis11,321 participants25 studies pooledImmunity forVitamin D
  7. Association Between Vitamin D and Influenza: Meta-Analysis and Systematic Review of Randomized Controlled Trials.
    Zhu Z; Zhu X; Gu L; Zhan Y; Chen L; Li X · Frontiers in nutrition · 2022
    Meta-analysis4,859 participants10 studies pooledImmunity forVitamin D
  8. Vitamin D3 and deconvoluting a rash.
    Ernst MK; Evans ST; Techner JM; Rothbaum RM; Christensen LF; Onay UV; Biyashev D; Demczuk MM; Nguyen CV; Honda KS; McCormick TS; Tsoi LC; Gudjonsson JE; Cooper KD; Lu KQ · JCI insight · 2023
    Randomized trial28 participantsImmunity forVitamin D
  9. Effect of vitamin D3 supplementation on cellular immunity and inflammatory markers in COVID-19 patients admitted to the ICU.
    Bychinin MV; Klypa TV; Mandel IA; Yusubalieva GM; Baklaushev VP; Kolyshkina NA; Troitsky AV · Scientific reports · 2022
    Randomized trial110 participantsImmunity forVitamin D
  10. Current opinion on the role of vitamin D supplementation in respiratory infections and asthma/COPD exacerbations: A need to establish publication guidelines for overcoming the unpublished data.
    Anitua E; Tierno R; Alkhraisat MH · Clinical nutrition (Edinburgh, Scotland) · 2022
    Meta-analysis50,554 participants65 studies pooledImmunity forVitamin D
  11. Clinical Benefits of Boswellia Serrata (BOSMAX®) in Early Knee Osteoarthritis: A Randomized, Placebo-Controlled, Double-Blind Study.
    Jayaram M; Kim J; Baek KS; Jung H; Kim J; M K P; T S C; H B S; Ramaiah V; S P · Journal of medicinal food · 2025
    Randomized trial150 participantsInflammation forBoswellia
  12. A pilot, randomized, double-blind, placebo-controlled trial to assess the safety and efficacy of a novel Boswellia serrata extract in the management of osteoarthritis of the knee.
    Majeed M; Majeed S; Narayanan NK; Nagabhushanam K · Phytotherapy research : PTR · 2019
    Randomized trial48 participantsInflammation forBoswellia
  13. Boswellic Acids Improve Clinical Cognitive Scores and Reduce Systemic Inflammation in Patients with Mild to Moderate Alzheimer's Disease.
    Karima S; Aghamollaii V; Mahmoodi Baram S; Balenci L; Lanctôt KL; Kiss A; Tafakhori A; Mahdavi M; Rajaei S; Shateri S; Yarhoseini A; Mokhtari F; Fotouhi A; Riazi A · Journal of Alzheimer's disease : JAD · 2023
    Randomized trial85 participantsInflammation forBoswellia
  14. A Standardized Boswellia serrata Extract Improves Knee Joint Function and Cartilage Morphology in Human Volunteers with Mild to Moderate Osteoarthritis in a Randomized Placebo-Controlled Study.
    Kumar B; Ghaytidak AB; Pandey AK; Somepalli RR; Sarda P; Raychaudhuri SP; Rokkam MP · Journal of the American Nutrition Association · 2025
    Randomized trial80 participantsInflammation forBoswellia
  15. A standardized Boswellia serrata extract shows improvements in knee osteoarthritis within five days-a double-blind, randomized, three-arm, parallel-group, multi-center, placebo-controlled trial.
    Majeed A; Majeed S; Satish G; Manjunatha R; Rabbani SN; Patil NVP; Mundkur L · Frontiers in pharmacology · 2024
    Randomized trial105 participantsInflammation forBoswellia
  16. Vitamin D deficiency and C-reactive protein: a bidirectional Mendelian randomization study.
    Zhou A; Hyppönen E · International journal of epidemiology · 2023
    Observational study294,970 participantsInflammation forVitamin D
  17. Vitamin D in Children With Inflammatory Bowel Disease: A Randomized Controlled Clinical Trial.
    El Amrousy D; El Ashry H; Hodeib H; Hassan S · Journal of clinical gastroenterology · 2021
    Randomized trial120 participantsInflammation forVitamin D
  18. Vitamin D supplementation reduces infection rate and promotes wound healing in patients with diabetic foot ulcers.
    Gao YQ; Gao YH; Xing JH · World journal of diabetes · 2025
    Randomized trial120 participantsInflammation forVitamin D
  19. Associations of C-reactive Protein with 25-hydroxyvitamin D in 24 Specific Diseases: A Cross-sectional Study from NHANES.
    Yang F; Sun M; Sun C; Li J; Yang X; Bi C; Wang M; Pu L; Wang J; Wang C; Xie M; Yao Y; Jin L · Scientific reports · 2020
    Cross-sectional study9,809 participantsInflammation forVitamin D
  20. Combined effects of vitamin D deficiency and systemic inflammation on all-cause mortality and cause-specific mortality in older adults.
    Zhang C; Cui J; Li S; Shen J; Luo X; Yao Y; Shi H · BMC geriatrics · 2024
    Cohort study3,072 participantsInflammation forVitamin D