Optimum Nutrition
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Fiber MGP
Fiber MGP
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Regular price
$69.00 USD
Regular price
Sale price
$69.00 USD
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The full picture
Everything Vyvata knows about this product — the score, the evidence, the FAQ, and where else to find shopper reviews. No hidden data. Every vendor is scored on the same published rubric — no brand can pay for placement. Read the rubric →
63/100
Standard
Six-dimension breakdown
Evidence
68
Formulation
68
Manufacturing
74
Safety
72
Transparency
65
Sustainability
55
Why this scored 63/100
Fiber MGP is Ortho Molecular's fiber supplement delivering 11g of fiber per serving — a substantial dose that represents roughly 30-40% of the USDA daily fiber recommendation (25-38g/day depending on sex and age). The average American consumes only 15-17g of fiber daily against that recommendation, so fiber supplementation has one of the clearest population-level rationales in the entire supplement category. The "MGP" naming suggests a proprietary fiber blend (likely combining soluble fibers like partially hydrolyzed guar gum, resistant maltodextrin, and possibly inulin) engineered for gentle digestion and minimal gas/bloating — a real formulation problem for many fiber products where undigested oligofructose and inulin cause meaningful GI discomfort. Ortho Molecular's product page explicitly mentions gentle digestion and optimal tolerance, which reflects awareness of this issue. Standard tier at the upper end reflects strong single-purpose formulation (fiber addressing a real dietary gap) at a meaningful dose from a quality practitioner brand, held below Verified by absent per-fiber-type disclosure in retail-visible metadata.
Last scored: Full rubric →
Evidence & sources
The Vyvata score's Evidence dimension measures the quality of published RCT support for a product's active ingredients at the label dose. Our source hierarchy: double-blind RCTs in MEDLINE-indexed journals > single-blind RCTs > open-label trials > observational studies > mechanism papers > N=1 case studies (anecdotes). Predatory journals and manufacturer-authored studies without independent replication are weighted down.
Product-specific evidence citations for this item are embedded in the analysis text on the "Analysis" tab. For the full framework and evidence hierarchy, see the methodology page.
How to read the Evidence dimension
- 80–100: Multiple double-blind RCTs in indexed journals directly testing this product OR the exact ingredients at the exact dose.
- 60–79: Single double-blind RCT + supporting ingredient literature at the studied dose.
- 40–59: Open-label trials + ingredient literature; no product-specific double-blind evidence.
- 20–39: Ingredient literature only; no product-specific trials or trials in predatory venues.
- 0–19: No credible evidence base or unverifiable claims.
FAQ data has not been generated for this product yet. See the site FAQ for general questions.
Customer reviews
Reviews on other platforms
The Vyvata score measures product integrity against a published rubric, not customer sentiment. Vyvata does not aggregate, republish, or license third-party reviews — the links below open search pages on their respective platforms.
All the data we have on this product
Every VSF-related metafield surfaced verbatim. Nothing hidden. If you spot data that looks wrong, let us know.
- VSF score
- 63 / 100
- Tier
- Standard
- Category
- Supplements
- Subcategory
- gut digestive
- Last scored
- Third-party certifications
- None on record at time of scoring
- Vendor
- O Body + Wellness
- Tags
- O Body + Wellness, Shopify Collective
Every score is set from the published rubric, audit-logged, and rescored whenever new evidence emerges (published trials, updated labels, third-party testing releases). Every vendor is scored on the same criteria — no pay-to-play. See our editorial-independence disclosure for the full policy, including brands with an editorial relationship to this site.
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