Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Three-year low-dose menaquinone-7 supplementation helps decrease bone loss in healthy postmenopausal women.
Knapen MH; Drummen NE; Smit E; Vermeer C; Theuwissen E · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
Randomized trial244 participantsflagBone Health forscienceVitamin K
- Investigating the interrelationship of vitamin K and vitamin D status on bone density: results from the VITamin D and OmegA-3 TriaL.
Chou SH; Booth SL; Cook NR; Kim E; Kotler G; Fu X; Buring JE; Manson JE; LeBoff MS · JBMR plus · 2026
Randomized trial771 participantsflagBone Health forscienceVitamin K
- Efficacy and safety of vitamin K2 for postmenopausal women with osteoporosis at a long-term follow-up: meta-analysis and systematic review.
Zhou M; Han S; Zhang W; Wu D · Journal of bone and mineral metabolism · 2022
Meta-analysis6,853 participants9 studies pooledflagBone Health forscienceVitamin K
- Study on the Multiple Efficacies of Vitamin C Serum in Anti-Glycation, Anti-Carbonylation, Antioxidation, and Anti-Inflammation of Human Skin Based on In Vivo Tests.
Zi Y; Liu J; Liu Q; Pan Y; Jiang X · Journal of cosmetic dermatology · 2026
Randomized trial66 participantsflagAnti-Aging forscienceVitamin C
- Evaluation of the anti-wrinkle effect of a lipophilic pro-vitamin C derivative, tetra-isopalmitoyl ascorbic acid.
Yokota M; Yahagi S · Journal of cosmetic dermatology · 2022
Randomized trial69 participantsflagAnti-Aging forscienceVitamin C
- The role of vitamin C in pushing back the boundaries of skin aging: an ultrasonographic approach.
Crisan D; Roman I; Crisan M; Scharffetter-Kochanek K; Badea R · Clinical, cosmetic and investigational dermatology · 2015
Clinical trial60 participantsflagAnti-Aging forscienceVitamin C
- In vivo evaluation of topical ascorbic acid application on skin aging by 50 MHz ultrasound.
Vergilio MM; Aiello LM; Furlan AS; Caritá AC; Azevedo JR; Bolzinger MA; Chevalier Y; Leonardi GR · Journal of cosmetic dermatology · 2022
Randomized trial25 participantsflagAnti-Aging forscienceVitamin C
- Clinical Applications of Vitamin C in Dermatology: A Systematic Review.
Boghosian T; Mendez H; Boghosian N; Sayegh M; Beer J; Tosti A · The Journal of clinical and aesthetic dermatology · 2026
Systematic review44 studies pooledflagAnti-Aging forscienceVitamin C
- Vitamin K status, cardiovascular disease, and all-cause mortality: a participant-level meta-analysis of 3 US cohorts.
Shea MK; Barger K; Booth SL; Matuszek G; Cushman M; Benjamin EJ; Kritchevsky SB; Weiner DE · The American journal of clinical nutrition · 2020
Meta-analysis3,891 participants3 studies pooledflagAnti-Aging flagGeneral Health forscienceVitamin K
- Topical Menaquinone‑7 (Vitamin K2, MK-7) as a Mitochondrial Bioenergetic Activator for Skin Anti-Aging: Mechanistic Evidence in Skin Cells and a Randomized Split-Face/Neck Study.
Huang H; Wei R; Xu C; Liu C; Zhao S; Li Y; Wang M · ACS omega · 2026
Randomized trial30 participantsflagAnti-Aging forscienceVitamin K
- Vitamin K status and cognitive function in healthy older adults.
Presse N; Belleville S; Gaudreau P; Greenwood CE; Kergoat MJ; Morais JA; Payette H; Shatenstein B; Ferland G · Neurobiology of aging · 2014
Cross-sectional study320 participantsflagAnti-Aging forscienceVitamin K
- High dephospho-uncarboxylated matrix Gla protein concentrations, a plasma biomarker of vitamin K, in relation to frailty: the Longitudinal Aging Study Amsterdam.
Machado-Fragua MD; Hoogendijk EO; Struijk EA; Rodriguez-Artalejo F; Lopez-Garcia E; Beulens JW; van Ballegooijen AJ · European journal of nutrition · 2021
Cohort study644 participantsflagAnti-Aging forscienceVitamin K
- Vitamin K Concentration and Cognitive Status in Elderly Patients on Anticoagulant Therapy: A Pilot Study.
Alisi L; Cafolla C; Gentili A; Tartaglione S; Curini R; Cafolla A · Journal of aging research · 2022
Cross-sectional study85 participantsflagAnti-Aging forscienceVitamin K
- Can Dietary Intake of Vitamin C-Oriented Foods Reduce the Risk of Osteoporosis, Fracture, and BMD Loss? Systematic Review With Meta-Analyses of Recent Studies.
Zeng LF; Luo MH; Liang GH; Yang WY; Xiao X; Wei X; Yu J; Guo D; Chen HY; Pan JK; Huang HT; Liu Q; Guan ZT; Han YH; Zhao D; Zhao JL; Hou SR; Wu M; Lin JT; Li JH; Liang WX; Ou AH; Wang Q; Li ZP; Liu J · Frontiers in endocrinology · 2020
Meta-analysis19,484 participants17 studies pooledflagBone Health forscienceVitamin C
- Dietary vitamin C intake and the risk of hip fracture: a dose-response meta-analysis.
Sun Y; Liu C; Bo Y; You J; Zhu Y; Duan D; Cui H; Lu Q · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2019
Meta-analysis6 studies pooledflagBone Health forscienceVitamin C
- Smoking, antioxidant vitamins, and the risk of hip fracture.
Melhus H; Michaëlsson K; Holmberg L; Wolk A; Ljunghall S · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1999
Cohort study66,651 participantsflagBone Health forscienceVitamin C
- Micronutrients and the risk of hip fracture: Case-control study.
Torbergsen AC; Watne LO; Wyller TB; Frihagen F; Strømsøe K; Bøhmer T; Mowe M · Clinical nutrition (Edinburgh, Scotland) · 2018
Case-control study189 participantsflagBone Health forscienceVitamin C
- Favorable effect of dietary vitamin C on bone mineral density in postmenopausal women (KNHANES IV, 2009): discrepancies regarding skeletal sites, age, and vitamin D status.
Kim YA; Kim KM; Lim S; Choi SH; Moon JH; Kim JH; Kim SW; Jang HC; Shin CS · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2016
Cross-sectional study1,196 participantsflagBone Health forscienceVitamin C
- Vitamin K and the prevention of fractures: systematic review and meta-analysis of randomized controlled trials.
Cockayne S; Adamson J; Lanham-New S; Shearer MJ; Gilbody S; Torgerson DJ · Archives of internal medicine · 2006
Meta-analysis13 studies pooledflagBone Health forscienceVitamin K
- Effect of combined administration of vitamin D3 and vitamin K2 on bone mineral density of the lumbar spine in postmenopausal women with osteoporosis.
Iwamoto J; Takeda T; Ichimura S · Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association · 2001
Randomized trial92 participantsflagBone Health forscienceVitamin K
- Low-dose vitamin K2 (MK-4) supplementation for 12 months improves bone metabolism and prevents forearm bone loss in postmenopausal Japanese women.
Koitaya N; Sekiguchi M; Tousen Y; Nishide Y; Morita A; Yamauchi J; Gando Y; Miyachi M; Aoki M; Komatsu M; Watanabe F; Morishita K; Ishimi Y · Journal of bone and mineral metabolism · 2015
Randomized trial48 participantsflagBone Health forscienceVitamin K
- Vitamin C may reduce troponin and CKMB levels after PCI and CABG: a meta-analysis.
Rozemeijer S; Hemilä H; van Baaren M; de Man AME · BMC cardiovascular disorders · 2023
Meta-analysis872 participants7 studies pooledflagCardiovascular Support forscienceVitamin C
- Vitamin C improves endothelium-dependent vasodilation by restoring nitric oxide activity in essential hypertension.
Taddei S; Virdis A; Ghiadoni L; Magagna A; Salvetti A · Circulation · 1998
Clinical trial49 participantsflagCardiovascular Support forscienceVitamin C
- Vitamin C supplementation improves blood pressure and oxidative stress after acute exercise in patients with poorly controlled type 2 diabetes mellitus: A randomized, placebo-controlled, cross-over study.
Boonthongkaew C; Tong-Un T; Kanpetta Y; Chaungchot N; Leelayuwat C; Leelayuwat N · The Chinese journal of physiology · 2021
Randomized trial24 participantsflagCardiovascular Support forscienceVitamin C
- Vascular benefits of vitamin C supplementation against fine particulate air pollution in healthy adults: A double-blind randomised crossover trial.
Ren J; Liang J; Wang J; Yin B; Zhang F; Li X; Zhu S; Tian H; Cui Q; Song J; Liu G; Ling W; Ma Y · Ecotoxicology and environmental safety · 2022
Randomized trial58 participantsflagCardiovascular Support forscienceVitamin C
- Ascorbic acid reduces blood pressure and arterial stiffness in type 2 diabetes.
Mullan BA; Young IS; Fee H; McCance DR · Hypertension (Dallas, Tex. : 1979) · 2003
Randomized trial30 participantsflagCardiovascular Support forscienceVitamin C
- Vitamin K Intake and Atherosclerotic Cardiovascular Disease in the Danish Diet Cancer and Health Study.
Bellinge JW; Dalgaard F; Murray K; Connolly E; Blekkenhorst LC; Bondonno CP; Lewis JR; Sim M; Croft KD; Gislason G; Torp-Pedersen C; Tjønneland A; Overvad K; Hodgson JM; Schultz C; Bondonno NP · Journal of the American Heart Association · 2021
Cohort study53,372 participantsflagCardiovascular Support flagHeart Health forscienceVitamin K
- Menaquinone-7 supplementation improves arterial stiffness in healthy postmenopausal women. A double-blind randomised clinical trial.
Knapen MH; Braam LA; Drummen NE; Bekers O; Hoeks AP; Vermeer C · Thrombosis and haemostasis · 2016
Randomized trial244 participantsflagCardiovascular Support flagHeart Health forscienceVitamin K
- Effects of One-Year Menaquinone-7 Supplementation on Vascular Stiffness and Blood Pressure in Post-Menopausal Women.
de Vries F; Bittner R; Maresz K; Machuron F; Gåserød O; Jeanne JF; Schurgers LJ · Nutrients · 2025
Randomized trial165 participantsflagCardiovascular Support forscienceVitamin K
- Dietary Vitamin K1 Intake and Incident Aortic Valve Stenosis.
Schultz CJ; Dalgaard F; Bellinge JW; Murray K; Sim M; Connolly E; Blekkenhorst LC; Bondonno CP; Lewis JR; Gislason GH; Tjønneland A; Overvad K; Hodgson JM; Bondonno NP · Arteriosclerosis, thrombosis, and vascular biology · 2024
Cohort study55,545 participantsflagCardiovascular Support flagHeart Health forscienceVitamin K
- Association between vitamin K1 intake and mortality in the Danish Diet, Cancer, and Health cohort.
Palmer CR; Bellinge JW; Dalgaard F; Sim M; Murray K; Connolly E; Blekkenhorst LC; Bondonno CP; Croft KD; Gislason G; Tjønneland A; Overvad K; Schultz C; Lewis JR; Hodgson JM; Bondonno NP · European journal of epidemiology · 2021
Cohort study56,048 participantsflagCardiovascular Support flagHeart Health forscienceVitamin K
- Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies.
Aune D; Keum N; Giovannucci E; Fadnes LT; Boffetta P; Greenwood DC; Tonstad S; Vatten LJ; Riboli E; Norat T · The American journal of clinical nutrition · 2019
Meta-analysis69 studies pooledflagGeneral Health forscienceVitamin C
- Scientific Opinion on the substantiation of a health claim related to vitamin C and increasing non haem iron absorption pursuant to Article 14 of Regulation (EC) No 1924/2006.
EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
Guideline / consensusflagGeneral Health forscienceVitamin C
- Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
Sotomayor CG; Eisenga MF; Gomes Neto AW; Ozyilmaz A; Gans ROB; Jong WHA; Zelle DM; Berger SP; Gaillard CAJM; Navis GJ; Bakker SJ · Nutrients · 2018
Cohort study598 participantsflagGeneral Health forscienceVitamin C
- Associations of Serum Biomarkers of Fruit and Vegetable Intake With the Risk of Cause-Specific Mortality and All-Cause Mortality: A National Prospective Cohort Study.
Pu L; Zhang R; Wang X; Zhao T; Sun H; Han L · Frontiers in nutrition · 2022
Cohort study12,530 participantsflagGeneral Health forscienceVitamin C
- Relation between plasma ascorbic acid and mortality in men and women in EPIC-Norfolk prospective study: a prospective population study. European Prospective Investigation into Cancer and Nutrition.
Khaw KT; Bingham S; Welch A; Luben R; Wareham N; Oakes S; Day N · Lancet (London, England) · 2001
Cohort study19,496 participantsflagGeneral Health forscienceVitamin C
- Dietary vitamin K intake associates with reduced all-cause mortality in non-alcoholic fatty liver disease patients.
Huang Y; Zhu X; Han L; Hu H · Scientific reports · 2025
Cohort study7,857 participantsflagGeneral Health forscienceVitamin K
- The Effect of Topical Vitamin K1 on the Treatment of Cetuximab-Induced Skin Rashes in Metastatic Colorectal Cancer Patients.
Roayaei M; Rezaei M; Najafizade N · Advanced biomedical research · 2024
Randomized trial49 participantsflagGeneral Health forscienceVitamin K
- Effect of vitamin K on improving post‑kidney transplant outcomes: a meta‑analysis.
Sun Z; Zhu K; Liang G; Yan F; Chao S; Jia L; Niu Y · Experimental and therapeutic medicine · 2023
Meta-analysis7 studies pooledflagGeneral Health forscienceVitamin K
- Vitamin K1 intake is associated with lower risk for all-cause and cardiovascular disease mortality in community-dwelling older Australian women.
Dupuy M; Radavelli-Bagatini S; Zhong L; Dalla Via J; Zhu K; Blekkenhorst LC; Bondonno NP; Linneberg A; Bellinge JW; Schultz C; Courtney W; Prince RL; Hodgson JM; Lewis JR; Sim M · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2024
Cohort study1,436 participantsflagGeneral Health forscienceVitamin K
- The effect of vitamin K1 on arterial calcification activity in subjects with diabetes mellitus: a post hoc analysis of a double-blind, randomized, placebo-controlled trial.
Bellinge JW; Francis RJ; Lee SC; Bondonno NP; Sim M; Lewis JR; Watts GF; Schultz CJ · The American journal of clinical nutrition · 2022
Randomized trial149 participantsflagHeart Health forscienceVitamin K