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Products & comparisons

Compare ingredients, wearables and the original sources behind them.

Understand the ingredient. Check the product. Ingredient research, manufacturer information and independent product databases in one place.

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5 entriesSelect up to 3 to compare

NMN

Ingredient guide· Research reference

NAD⁺ precursor research

Format: Ingredient; no specific retail product is rated
Before booking / buying: Does the marketed claim match a human endpoint?

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Source & context · 2026-10-23

The cited trial is not proof of human lifespan extension.

Compare the exact formulation, lot documentation and serving label

Yoshino et al. · Science, 2021

Omega-3

Ingredient guide· Research reference

Dietary fatty acids

Format: Ingredient family: ALA, EPA and DHA differ
Before booking / buying: Which formulation, indication and outcome were studied?

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Source & context · 2026-10-23

Evidence differs by outcome and formulation; no general longevity promise.

Compare declared EPA/DHA content and the exact product form

NIH ODS · Omega-3 fatty acids

Vitamin D

Ingredient guide· Research reference

Nutrient adequacy

Format: Nutrient; check the named form and label
Before booking / buying: Is there a clinically established need?

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Source & context · 2026-10-23

More is not automatically better. Personal dosing is outside this portal.

Compare labelled content and evidence for a specific need

NIH ODS · Vitamin D

Oura

Wearable · ring· Provider information

Consumer sleep and activity tracking

Format: Ring and app; features depend on device and membership
Before booking / buying: What is included in the device price versus membership?

Sleep Activity Recovery

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Source & context · 2026-10-23

Consumer metrics are not a longevity diagnosis. Verify current features with the provider.

Device price, membership, replacement and data access

Oura · Official

WHOOP

Wearable · band· Provider information

Consumer activity and recovery tracking

Format: Wearable and app with tiered membership
Before booking / buying: What are the commitment, renewal and cancellation terms?

Sleep Activity Recovery

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Source & context · 2026-10-23

Recovery scores do not establish longer life. Verify current features with the provider.

Membership term, renewal, cancellation and included hardware

WHOOP · Support

Before you choose

Match the study to the ingredient, form and endpoint.
Check the exact product label and independent batch documentation.
Include subscriptions, ongoing costs and data access in comparisons.

Source desk

References for your own checks. These databases are linked resources, not imported inventories.

NIH Dietary Supplement Label Database

Product labels, declared ingredients and formulations for the US market. Label data is not proof of effectiveness.

NIH Office of Dietary Supplements

Ingredient fact sheets, evidence, risks and interactions. Useful context before comparing a product.

NSF Certified for Sport

Search certified products by name, brand or lot. Check the exact product; certification is not a longevity claim.

Informed Sport

Banned-substance testing programme with batch listings. Verify the specific batch and variant.

Sources checked: 2026-10-23
Listing does not imply approval or a commercial partnership.

Discussion

Community discussions

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Member contributions. Share sources, disclose commercial interests, and avoid personal medical or dosing advice.

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See how we select sources, distinguish evidence and label automated summaries. Read our method.