category,brand,product,active,dose_mg,serving,container,price_usd,format,source_form,testing,coa,gmp,other_actives,source,notes,transparency_score_10,evidence_match_score_10,stack_complexity_5,cost_per_100mg_usd
Spermidine,ProHealth Longevity,Pure Spermidine,Spermidine,1,1 capsule,180 capsules,29.95,Capsule,Purified wheat germ extract,Third-party tested,Visible,Yes,None highlighted,https://my.prohealth.com/products/prohealth-pure-spermidine-1-mg-180-softgels-ph680,"Official page states 1 mg per capsule, wheat-germ source, COA, third-party testing and GMP.",10,10,1,2995.0
Spermidine,Double Wood,Spermidine Supplement,Spermidine,,Not captured,Not captured,,Capsule,Not captured,Third-party tested,Visible,Yes,Not captured,https://doublewoodsupplements.com/products/spermidine,Official page exposes current batch COA and contaminant testing.,5,6,3,
Spermidine,DoNotAge,Pure Spermidine,Spermidine,8,1 capsule,60 or 366 capsules,39.0,Capsule,Wheat germ-derived / high-purity positioning,Third-party tested,Not captured,Not captured,None highlighted,https://donotage.org/pure-spermidine,Official page states 8 mg per capsule and 8 mg recommended daily serving.,7,9,1,487.5
NMN / NAD+,Renue By Science,NMN Pure Powder,NMN,500,1 scoop,Not captured,54.95,Powder,>99% pure NMN,Third-party tested,Visible,Yes,None,https://renuebyscience.com/products/pure-powder-100-grams,"Official page states 500 mg per serving, >99% purity, third-party lab certificates.",10,10,1,10.99
NMN / NAD+,ProHealth Longevity,NMN Pro Powder - Uthever,NMN,1000,1 level scoop,100 g option,98.95,Powder,Uthever NMN,Third-party tested,Visible,Yes,None,https://www.prohealth.com/products/prohealth-nmn-pro-powder-100-grams-ph529,"Official page states 1 g per serving, COA and third-party testing.",10,10,1,9.89
NMN / NAD+,Double Wood,NMN Supplement,NMN,250,2 capsules,Not captured,48.95,Capsule,Beta-NMN,Third-party tested,Visible,Yes,None,https://doublewoodsupplements.com/products/nicotinamide-mononucleotide,Official page states 250 mg daily dose and current batch COA/testing details.,10,10,1,19.58
NMN / NAD+,DoNotAge,Pure NMN,NMN,500,1 capsule or scoop,60 capsules / powder options,80.0,Capsule or powder,99.8% purity claim,Third-party tested,Not captured,Not captured,None,https://donotage.org/pure-nmn,"Official page states 500 mg per capsule/scoop and 1,000 mg recommended daily serving.",7,9,1,16.0
Resveratrol,Double Wood,Resveratrol Supplement,Resveratrol,500,2 capsules,120 capsules / 60 servings,19.95,Capsule,Plant extract,Third-party tested,Visible,Yes,None highlighted,https://doublewoodsupplements.com/products/resveratrol/,"Official page states 500 mg per serving, 120 capsules, COA and third-party testing.",10,9,1,3.99
Resveratrol,ProHealth Longevity,Trans-Resveratrol Plus,Trans-resveratrol,1000,2 capsules,60 capsules,31.08,Capsule,Trans-resveratrol,Not captured,Not captured,Not captured,Not captured,https://www.prohealth.com/collections/resveratrol,"Current U.S. collection page lists 1,000 mg per serving and $31.08 one-time price.",5,7,3,3.11
Resveratrol,DoNotAge,Pure Resveratrol,Trans-resveratrol,,Not captured,Capsule and powder variants,54.0,Capsule or powder,99% pure trans-resveratrol claim,Third-party tested,Not captured,Not captured,None highlighted,https://donotage.org/products,Current product collection lists from $54 and 99% pure trans-resveratrol positioning.,4,6,1,
Quercetin,Double Wood,Quercetin with Bromelain,Quercetin,1000,2 capsules,60 servings,24.95,Capsule,Quercetin + bromelain,Third-party tested,Visible,Yes,Bromelain 200 mg,https://doublewoodsupplements.com/products/quercetin,"Official page states 1,000 mg quercetin + 200 mg bromelain per serving and publishes lot testing.",10,8,2,2.5
Quercetin,DoNotAge,Pure Quercetin,Quercetin,,Not captured,60 or 366 capsules,35.0,Capsule,Pure quercetin positioning,Third-party tested,Not captured,Not captured,None highlighted,https://donotage.org/products,Current product collection lists from $35 and third-party-tested positioning.,4,5,1,
Combination Stack,Double Wood,Longevity Stack,Multi-ingredient stack,,Bundle,NMN + TMG + SPM,106.97,Multi-product bundle,Three-product stack,Brand-wide third-party testing positioning,Varies by component,Yes,"NMN, TMG, SPM",https://doublewoodsupplements.com/products/longevity-stack,"Official page lists NMN, TMG and SPM in the stack.",7,4,5,
Combination Stack,DoNotAge,15 Longevity Supplements in 1 Daily Sachet,Multi-ingredient stack,,1 sachet,Not captured,203.0,Daily sachet,15-active formula,Not captured,Not captured,Not captured,"NMN, trans-resveratrol, spermidine, quercetin, TMG, CoQ10 and others",https://donotage.org/products,Current product collection lists 15-in-1 daily sachet at $203 sale price.,3,3,5,
Combination Stack,ProHealth Longevity,NMN Pro Complete,Multi-ingredient powder,,Not captured,75 g,,Powder,Uthever NMN combination,Not captured,Not captured,Not captured,"NMN, trans-resveratrol, TMG",https://my.prohealth.com/collections/nmn-powder,"Current NMN collection lists Uthever NMN + trans-resveratrol + TMG, 75 g.",1,3,5,