Price: ~~$23.66~~ - $19.37
(as of Nov 25, 2025 04:28:36 UTC – Details)

From the brand

Source Naturals

Unlocking Wellness, Transforming Lives

High Demand Products

Source Naturals’ comprehensive Bio-Aligned Formulas® help bring the power of alignment to your body. When formulating, we evaluate the underlying causes of system imbalances, and then provide targeted nutrition to interdependent body systems. Our line of more than 600 products also includes well-researched, single-entity nutrients in their highest quality and most bioavailable forms.

New Arrivlas

How did we get our start?

Source Naturals® was founded in 1982 in Santa Cruz, California, by Ira Goldberg with the belief that the foundation for living your dream life is having vibrant health, and that taking individual responsibility for one’s health is the key.*

What makes our products unique?

The brand is renowned for its Bio-Aligned Formulas rooted in an integrative health philosophy.

What problem are we solving?

We have over 600 unique products spanning from immune, sleep, mood, and vision support to heart and brain health, and more.

Melatonin Supplements

Product Dimensions ‏ : ‎ 2.5 x 2.5 x 4.6 inches; 6.56 ounces
Item model number ‏ : ‎ SN2928
Date First Available ‏ : ‎ October 22, 2022
Manufacturer ‏ : ‎ Threshold Enterprises
ASIN ‏ : ‎ B0BJFP2Z64
Best Sellers Rank: #103,214 in Health & Household (See Top 100 in Health & Household) #4,459 in Blended Vitamin & Mineral Supplements
Customer Reviews: 4.9 4.9 out of 5 stars 25 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

Wellness N-A-Cetin Immune Protocol delivers seven powerhouse ingredients for crucial immune defense.*
Offering zinc and vitamins C & D-3, which support the production and stamina of critical immune cells.*
Suggested Use: Three tablets once daily, preferably with a meal.
OVER 40 YEARS of TRUST. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual’s potential to enjoy optimal health.
Manufactured in the USA. Manufactured in Scots Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA).

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