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Joint Guard COX-2 Control

KAL

4.7
(52 ratings)
N-Acetyl Glucosamine 25 mg
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Score 58.0

A multi-ingredient joint support supplement that combines common cartilage builders with herbal anti-inflammatories. It provides good doses of Glucosamine HCl and MSM, but critically underdoses Chondroitin Sulfate and N-Acetyl D-Glucosamine, diminishing its full potential for joint and digestive health compared to stronger alternatives.

Quantity: 60 Tablet(s)Servings size: 2 Tablet(s) (30 servings)
Selected goals:
Other goals:
Joint Health
Digestive Health

Score 58.0

A multi-ingredient joint support supplement that combines common cartilage builders with herbal anti-inflammatories. It provides good doses of Glucosamine HCl and MSM, but critically underdoses Chondroitin Sulfate and N-Acetyl D-Glucosamine, diminishing its full potential for joint and digestive health compared to stronger alternatives.

Analysis

This product attempts a comprehensive approach to joint health by combining foundational ingredients (Glucosamine HCl, Chondroitin, MSM) with a proprietary blend of botanicals known for their anti-inflammatory and antioxidant properties, such as Clove flower bud extract, Grape skin extract (Resveratrol), Japanese Knotweed root extract, and Devil's Claw. While the 1000mg of D-Glucosamine HCl and 500mg of MSM are reasonable for joint support, the Chondroitin Sulfate Calcium is drastically underdosed at just 100mg, far below the clinically studied 800-1200mg range. The N-Acetyl D-Glucosamine (NAG) at 25mg is also extremely low, rendering it largely ineffective for both joint tissue repair and its secondary goal of digestive health. Online reviews often praise the blend of ingredients, but without specific clinical evidence for this precise combination and dosages, efficacy can be questionable, especially for the lower-dosed components. Nutritionists would likely flag the low doses of Chondroitin and NAG as a significant drawback for a product aiming to address these health areas comprehensively.
Pros
  • Contains a clinically relevant dose of D-Glucosamine HCl (1000mg) for cartilage support.
  • Includes MSM (500mg), which can help reduce joint pain and inflammation.
  • Features a blend of herbal extracts (Clove, Grape Skin, Japanese Knotweed, Devil's Claw) known for their anti-inflammatory and antioxidant properties, potentially aiding in COX-2 inhibition.
  • Offers a multi-faceted approach to joint health by combining structural components with botanical anti-inflammatories.
Cons
  • The dose of Chondroitin Sulfate Calcium (100mg) is significantly lower than commonly recommended therapeutic doses (typically 800-1200mg) for effective joint health benefits.
  • The N-Acetyl D-Glucosamine (NAG) dose (25mg) is extremely low and likely ineffective for both joint and digestive health, especially when compared to dedicated NAG supplements that offer 500-1000mg per serving.
  • Its effectiveness for digestive health is severely limited by the inadequate N-Acetyl D-Glucosamine dosage, making it a poor choice for that specific goal.
Warnings
  • Contains shellfish-derived N-Acetyl D-Glucosamine and D-Glucosamine HCl, which is an allergen for individuals with shellfish allergies.
  • Individuals taking blood thinners or with bleeding disorders should consult a healthcare professional due to Devil's Claw, which may have anticoagulant effects.
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$19.69($0.65 per serving)
iHerb
$ 19.69
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Effectiveness for goals

Dosage, timing & forms

Safety & interactions

Ingredients

IngredientAmount per serving
Total Carbohydrates
2 Gram(s)
D-Glucosamine HCl
1000 mg
MSM
500 mg
Chondroitin Sulfate Calcium
100 mg
N-Acetyl D-Glucosamine
25 mg
Devil's Claw
100 mg
Japanese Knotweed root extract
75 mg
Grape skin extract
50 mg
Clove flower bud extract
25 mg
Adults 18–50
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Categories

The product is listed in the 'N-Acetyl Glucosamine' collection, but it contains only 25mg of N-Acetyl D-Glucosamine per serving. This dosage is woefully inadequate compared to dedicated N-Acetyl Glucosamine supplements, which typically provide 500-1000mg per serving, making its inclusion in this collection misleading given its negligible contribution as a primary source of this ingredient.

Goals

The product provides a substantial dose of D-Glucosamine HCl and a good amount of MSM, which are key ingredients for joint structure and inflammation. The inclusion of various botanical extracts also contributes to anti-inflammatory effects. However, the significantly underdosed Chondroitin Sulfate component prevents it from achieving a higher score for comprehensive joint support, as a full spectrum of these ingredients is typically sought for optimal efficacy.
While N-Acetyl D-Glucosamine (NAG) is a relevant ingredient for digestive health, particularly for supporting the gut lining, the dosage of 25mg in this product is extremely low. Therapeutic doses for digestive health typically range from 500mg to 1000mg per day, making this product ineffective for achieving meaningful digestive support through NAG. Other ingredients in the formula do not primarily target digestive health to compensate for this deficiency.
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N-A-G 500 mg

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Healthy Gut Peach Banana

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While its price per serving is higher than the original, its significantly superior and comprehensive formulation for both gut and joint health (with higher doses of N-Acetyl-D-Glucosamine, MSM, and a substantial L-Glutamine) provides far greater overall benefit and efficacy. This makes it a much better investment for long-term health improvements, offering strong value for the price.
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Healthy Gut Capsules

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IntestiNew

Renew Life
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(282 ratings)
While its overall score is slightly lower than the original product's, it offers strong value specifically for digestive health. At a comparable price per serving, it provides a substantial dose of L-Glutamine (835mg), a key ingredient for gut lining repair that is absent in the original product's formula. This makes it a better value for individuals primarily focused on the digestive health aspect of their goals.
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This product is a top-tier option, especially for comprehensive gut health, but its high doses of N-Acetyl Glucosamine (1000mg), L-Glutamine (1500mg), and MSM (100mg) also make it highly beneficial for joint health. It includes a wider array of well-researched botanicals (Zinc Carnosine, Slippery Elm, DGL, Marshmallow, etc.), providing a more potent and holistic approach than the original product.
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Healthy Gut Berry

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(22185 ratings)
A very strong contender for both gut and joint health, providing substantial doses of L-Glutamine (5g), N-Acetyl-D-Glucosamine (500mg), and MSM (200mg). Its comprehensive blend of gut-healing ingredients, combined with its popularity and high review count, makes it a superior and more effective alternative for the stated goals.
85 Performance

Healthy Gut Capsules With Vitamin D

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