What dose of Glucomannan is effective for Body weight?

Glucomannan at 2000 mg lands inside the studied 2000-4000 mg window. DoseRank scores this product's dose fit at 67 out of 100.

How much does the best Body weight supplement cost?

NOW Foods, Glucomannan, Pure Powder, 8 oz (227 g) works out at $0.14 per serving. $0.14 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.10 per serving.

Does DoseRank get paid to rank a product first?

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

The short answer · Body weight

Take glucomannan for body weight. This is the one to buy.

NOW Foods, Glucomannan, Pure Powder, 8 oz (227 g)

4.6· 2,117 ratings· $0.14/serving

DoseRank score52

Glucomannan 2000 mg — inside the studied 2000-4000 mg window

Of 3,331 products scored for Body weight, NOW Foods, Glucomannan, Pure Powder, 8 oz (227 g) ranks #1 with a DoseRank score of 52. Glucomannan has moderate human evidence for this outcome.

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Cheaper alternative$0.10 per servingNutricost, Glucomannan, Unflavored, 17.9 oz (500 g)

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Glucomannan — not Berberine or R-Lipoic Acid?”

Glucomannan has moderate human evidence for this outcome.

GlucomannanThe pick
Moderate evidence · 2000 mg
Soluble fiber from konjac root that swells into a thick gel in the stomach; promotes satiety and slows gastric emptying, used for weight and blood-sugar support.
Berberine
Moderate evidence · 1.5 g
Plant alkaloid from Oregon grape and goldenseal; well-studied for blood sugar and lipid lowering and microbiome effects via AMPK activation.
R-Lipoic Acid
Moderate evidence · 200 mg
The natural R-enantiomer of alpha-lipoic acid; more bioavailable and potent per milligram than the synthetic S-form found in standard ALA.

Buy the #1 pick

The dose“Is the dose actually effective?”

Glucomannan at 2000 mg lands inside the studied 2000-4000 mg window.

Glucomannan

Studied window 2000-4000 mg · this pick 2000 mg

The ranking“Why should I trust this pick?”

Solid trust signals from buyer ratings, with room to grow. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.

3,331 products scored
Never paid placement
Evidence level: Moderate · 78
334 brands
29 ingredients

See the full analysis — every score, every product How the ranking works

The price“Can I do better than $0.14 a serving?”

$0.14 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.10 per serving.

2
Nutricost, Glucomannan, Unflavored, 17.9 oz (500 g)Score 51 · $0.10/serving
iHerb
4
Best Naturals, Konjac Root Glucomannan, 1 lb (454 g)Score 50 · $0.11/serving
iHerb

Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.

Ready?

The #1 pick is $0.14 a serving.

NOW Foods, Glucomannan, Pure Powder, 8 oz (227 g) — in stock at a tracked retailer.

View on iHerb

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Questions

Frequently asked

NOW Foods, Glucomannan, Pure Powder, 8 oz (227 g) ranks #1 for Body weight with a DoseRank score of 52. The score blends clinical strength, evidence, dose fit, trust signals and value across 3,331 products scored for this outcome.

Frequently asked