Mixed
Marine algae-derived compounds (fucoxanthin, alginates, fucoidans, phlorotannins) act as anti-obesity agents through mechanisms including pancreatic lipase inhibition, suppression of adipocyte differentiation, and enhancement of energy expenditure.
Marine algae extracts like fucoxanthin and alginates show promise for weight management by blocking fat absorption and increasing energy burn in lab studies. However, current human evidence is limited to short-term effects on satiety or specific supplements. Do not expect these to replace diet and exercise, and be aware that they are not yet approved as standalone obesity drugs due to a lack of long-term human data.
Four major bioactive compounds from seaweeds which have the potential as anti-obesity agents are fucoxanthin, alginates, fucoidans and phlorotannins. The anti-obesity effects of such compounds are due to several mechanisms, which include the inhibition of lipid absorption and metabolism (e.g., fucoxanthin and fucoidans), effect on satiety feeling (e.g., alginates), and inhibition of adipocyte differentiation (e.g., fucoxanthin).
Why this rating
The paper is a review of pre-clinical (animal/cell) and limited human studies; it explicitly states that long-term human trials are needed.
Source
Marine Algae as a Potential Source for Anti-Obesity Agents
Chu Wan-Loy et al. · Marine Drugs · 2016
DOI 10.3390/md14120222
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