Vegetables and fruits contain non‐provitamin A (lycopene, lutein, and zeaxanthin) and
provitamin A (β‐carotene, β‐cryptoxanthin, and α‐carotene) carotenoids. Within these …

Though cancer therapeutics can successfully eradicate cancerous cells, the effectiveness of
these medications is mostly restricted to several deleterious side effects. Therefore, to …

Fibrodysplasia ossificans progressiva (FOP) is an ultra‐rare, severely disabling genetic
disorder of progressive heterotopic ossification (HO). The single‐arm, open‐label, phase 3 …

Background Soy and red clover isoflavones are controversial due to purported estrogenic
activity and possible effects on breast cancer. We conducted a systematic review of soy and …

Background. Intravenous vitamin C (IVC) is a contentious adjunctive cancer therapy, widely
used in naturopathic and integrative oncology settings. We conducted a systematic review of …

Vitamin A is an important micro-essential nutrient, whose primary dietary source is retinyl
esters. In addition, β-carotene (pro-vitamin A) is a precursor of vitamin A contained in green …

Retinoic acid (RA) agents possess anti-tumor activity through their ability to induce cellular
differentiation. However, retinoids have not yet been translated into effective systemic …

Background. Flax is a food and dietary supplement commonly used for menopausal
symptoms. Flax is known for its lignan, α-linolenic acid, and fiber content, components that …

Oxidative stress is often considered as a causative factor in carcinogenesis. In addition,
current knowledge recognizes oxidative stress as a mechanism by which various cancer …

There are more than 4000 natural and synthetic molecules structurally and/or functionally
related to vitamin A. Retinoids are a class of these compounds that are structurally …