

OptiFiber® Lean 30 Servings
Pure Glucomannan. Satisfying Fullness. Gentle Support.*
Meet your new best friend in gut health and healthy weight management. OptiFiber® Lean is a naturally derived prebiotic fiber supplement made with Shimizu Propol® A propolmannan—an ultra-pure form of glucomannan sourced from the konjac root. This soluble fiber expands gently in your stomach, helping you feel full longer so you can practice better portion control.*
Whether you’re looking for an appetite-suppressant fiber, blood sugar support, or just want smoother digestion, this clean, plant-based formula has you covered. It also acts as a prebiotic, feeding the good bacteria in your gut while promoting regularity and supporting cholesterol and glucose metabolism.*
No synthetic additives. No nonsense. Just a powerful, glucomannan supplement that works in harmony with your body’s natural rhythms.*
Product Highlights
- Ultra-pure glucomannan powder for clean, soluble fiber support
- Helps promote satiety and weight control—naturally*
- Supports healthy glucose metabolism and cholesterol levels*
- Promotes gentle, regular bowel movements without stimulants*
- A smart, effective soluble fiber for weight loss and gut balance*
- Nourishes your microbiome as a prebiotic fiber supplement*
Ingredient Information

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Directions & Usage
Mix one to two scoops (1.6-3.2 g) in 8-12 oz of water or other non-alcoholic beverage and consume once per day, or mix one scoop as directed and consume 30 to 60 minutes before each of your two biggest meals, or use as directed by your healthcare professional.
Consult your healthcare professional prior to use. Individuals taking medication, especially hypoglycemic agents, should discuss potential interactions with their healthcare professional. Do not use if tamper seal is damaged.
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