Abstract: The present invention relates to an oral berberis extract composition and the process for the preparation of the composition of berberis extract as whole or its salts and/or in combination with berberine, jatrorrhizine, and columbamine or its salts with at least one pharmaceutically and/or nutraceutically accepted excipients for prevention, improvement, and maintenance of cognitive health to a subject in need thereof. Further encompassing to the oral berberis composition wherein the berberis extract is comprised of berberis extract as whole or its salts and/or in combination with berberine and/or its salt, and optionally jatrorrhizine, and columbamine or its salts in different forms like powder, beadlets, granules, capsules, tablets, oil suspension, films or any other suitable oral or topical dosage forms. A method of use of the berberis extract composition for prevention, improvement, and maintenance of cognitive health.

Abstract: The present invention relates to a xanthophyll composition comprising selective isomers of trans-R,R lutein and trans-R,R zeaxanthin in preferred particle size and pharmaceutically and/or nutraceutically acceptable excipients such as carriers, solubility enhancers, bioavailability enhancing agents, antioxidants and optionally flavoring agents with selective ratio which exerts enhanced bioavailability. The xanthophyll composition at least 80% of total xanthophyll comprised of at least 65% by weight of trans-R,R lutein and at least 10% by weight of trans-R,R zeaxanthin, which is prepared combinedly from marigold and paprika oleoresins with definite proportion to produce the preferred ratio of trans-R,R lutein and trans-R,R zeaxanthin.

Abstract: A nutritional composition for prevention, improvement and maintenance of visual function. The nutritional composition comprising the nutrients and at least one pharmaceutically and/or nutraceutically accepted excipient. The nutritional composition wherein the nutrients are selected from one or more of lutein, curcumin and vitamin D3 for prevention, improvement and maintenance of dry eye. The process of preparation of the nutritional composition comprising lutein, curcumin and vitamin D3 use for visual function more specifically dry eye. The present invention is further encompassing to the nutritional composition comprising lutein, curcumin, vitamin D3 in selective percentage which is formulated in different forms like as, powders, granules, pellets, beadlets, caplets, tablets, capsules, soft gel capsules, solution, emulsions, suspensions, oil suspensions, dispersions and the like.