The purpose of this clinical study is to evaluate acute effects of plant-based nutritional extracts on adult stem cells, using a randomized double-blinded placebo-controlled cross-over study design.
The purpose of this clinical study is to evaluate acute effects of plant-based nutritional extracts on adult stem cells, using a randomized double-blinded placebo-controlled cross-over study design. The research involves testing of acute effects of single doses of antioxidant-rich berry-based extracts, compared to a placebo. Blood samples are taken at baseline and 1 and 2 hours after consuming a single dose. The blood will be used to measure the numbers of different types of stem cells, to evaluate potential effects of stem cell mobilization and homing after consuming plant-based extracts. Adult stem cells are a type of cells that play a role in repairing and rejuvenating various tissue and organs in the body. At NIS Labs, we have shown that many types of plant-based nutritional products have small but reproducible and significant effects on stem cells, cytokines, and regenerative growth factors.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
TRIPLE
Enrollment
24
Seabuckthorn berry proanthocyanidin extract 250 mg single dose
Seabuckthorn berry proanthocyanidin extract 500 mg single dose
Seabuckthorn berry blend with other berry-based antioxidants
Natural Immune Systems
Klamath Falls, Oregon, United States
RECRUITINGChange to stem cell numbers in blood circulation.
Flow cytometry evaluation of stem cell phenotype.
Time frame: Changes at 1 and 2 hours after consumption.
Change to numbers of circulating CD45dim CD34+ stem cells in blood circulation.
Flow cytometry evaluation of stem cell phenotype.
Time frame: Changes at 1 and 2 hours after consumption.
Change to numbers of circulating CD45dim CD34+ CD309- stem cells in blood circulation.
Flow cytometry evaluation of stem cell phenotype.
Time frame: Changes at 1 and 2 hours after consumption.
Change to numbers of circulating CD45dim CD34+ CD309+ stem cells in blood circulation.
Flow cytometry evaluation of stem cell phenotype.
Time frame: Changes at 1 and 2 hours after consumption.
Change to numbers of circulating CD45- CD31+ CD309+ stem cells in blood circulation.
Flow cytometry evaluation of stem cell phenotype.
Time frame: Changes at 1 and 2 hours after consumption.
Change to numbers of circulating CD45- CD90+ stem cells in blood circulation.
Flow cytometry evaluation of stem cell phenotype.
Time frame: Changes at 1 and 2 hours after consumption.
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Placebo