Impact Shield — Built by contact athletes, for contact athletes
The only supplement formula purpose-built for daily brain protection against subconcussive impact load — 13 evidence-backed ingredients across 32+ peer-reviewed studies, covering all five neuroprotection pillars (antioxidant, mitochondrial, anti-inflammatory, neurotransmitter, membrane). Paste any label below to see how it stacks up. See Impact Shield →
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Analysis Results
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FDA status · NIH evidence · dosage realism · red flags
Claim Language Checker
Paste marketing copy, an Amazon listing, or ad text. Flags disease claims, drug-like language, and other FDA DSHEA compliance risks (structure/function claims are legal; disease claims are not).
Marketing / Listing Copy
Findings
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Disease claims · drug language · FDA disclaimer
Head-to-Head vs Popular Brands
Full ingredient breakdown of each — click any card for the deep-dive comparison.
What would it cost to match Impact Shield yourself?
Pick the brain-protection pillars you want covered. See what a DIY stack of separate products runs vs. one Impact Shield.
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Brain-Support & Athlete Recovery Stacks — How They Compare
Ranked by combined evidence for daily brain protection and impact recovery. Impact Shield is the only stack purpose-built as a full-spectrum formula for contact athletes — every other approach here covers only one or two of the mechanisms (antioxidant, mitochondrial, anti-inflammatory, neurotransmitter, membrane) that matter after subconcussive impact load.
FDA March 27, 2026 Meeting
"Exploring the Scope of Dietary Supplement Ingredients"
- Reviewed "dietary substance for use by man" under DSHEA 1994
- New manufacturing methodologies for existing ingredients
- Proteins, enzymes, microbials as dietary ingredient categories
- FDA launched Dietary Supplement Ingredient Directory
- Public comments: Docket FDA-2026-N-2047 (closed Apr 27, 2026)
- Key issue: NAC drug-exclusion — 2022 ruling vs. industry challenge ongoing
Evidence Grading Scale
| Grade | Meaning |
|---|---|
| A | Strong — multiple large, well-designed RCTs |
| B | Moderate — some RCTs or consistent mechanistic + human data |
| C | Limited — small/short trials, mixed results |
| D | Poor — mostly animal/in vitro data |
| F | No credible evidence or proven ineffective |
TBI/Brain evidence is graded separately from general fitness evidence where data differs.
Regulatory Status Codes
| Status | Meaning |
|---|---|
| GRAS | Generally Recognized As Safe |
| NDI Accepted | FDA accepted NDI (no objection) |
| NDI Objection | FDA filed objection to NDI notification |
| Drug Excl. Risk | FDA drug-exclusion clause may apply |
| Novel | No GRAS/NDI history; safety unestablished |
| Banned | FDA enforcement — illegal in supplements |
| Drug Ingredient | Approved as a drug — illegal in supplements |
Competition Compliance
WADA and NCAA banned-substance status shown per ingredient where relevant.
| Badge | Meaning |
|---|---|
| Permitted | Not on prohibited list |
| Monitor | Watched/restricted in-competition |
| Banned | Prohibited substance |
Always verify against current WADA/NCAA lists — rules change annually.
Data Sources
- NIH ODS — All Fact Sheets
- FDA Dietary Supplement Ingredient Directory (2026)
- NAC RCT in Moderate–Severe TBI (2024)
- Creatine & TBI Pathophysiology Review (2025)
- BCAAs Neuroprotective in TBI — Contact Sports (2022)
- Curcumin in TBI — Meta-analysis (2024)
- Impact Shield — theimpactshield.com
Educational tool only. Not medical advice. Evidence grades reflect published literature through mid-2026.