WonderCow Review: The One We'd Compare Most Carefully
Whole colostrum, family-farm roots, calf-first sourcing and a 40% IgG claim, at $64.99.
Our verdict
WonderCow
WonderCow is one of our strongest alternatives to Earth Energy. Its powder is whole, not skimmed or homogenized, sourced from licensed USDA Grade A dairy farms, collected after calves are prioritized, and third-party tested. The brand advertises 40% IgG and sells 60-serving jars for $64.99. It also carries a 30-day guarantee and strong customer ratings.
Same parent company as this siteEarth Energy is owned by LJ Global Inc., which also owns Healthy Expert Reviews. Details
IMPORTANT: WonderCow is a genuine head-to-head competitor, not a weak alternative. The choice comes down to which quality signals you value more: WonderCow's 40% IgG and whole-fat farm story, or Earth Energy's Grade A U.S. sourcing and ISO/IEC 17025 batch-testing disclosure.
This is the competitor we would compare most carefully
WonderCow checks a lot of the right boxes.
Whole colostrum.
Not skimmed.
Not homogenized.
Calf-first sourcing.
Grade A dairy farms.
Third-party testing.
A published 40% IgG claim.
And a price that is only a few dollars above Earth Energy.
That means there is no honest reason to frame WonderCow as an obviously inferior product.
The decision has to come down to details, not hype.
What you actually get
| Format | Whole colostrum powder |
|---|---|
| Servings | 60 |
| One-time price | $64.99 |
| Subscription | $55.24 with 15% savings |
| IgG | 40% claim on current WonderCow colostrum page |
| Source | Licensed USDA Grade A dairy farms |
| Collection | Calves prioritized first; collected within 24 hours |
| Processing | Whole, not skimmed or homogenized |
| Testing | Third-party tested |
| Manufacturing | Certified Good Manufacturing Practice facilities |
| Sugar | 0 g |
| Customer reviews | About 830 on current powder listings |
| Guarantee | 30-day refund/happiness policy |
| Family story | Founded and operated by dairy farmers |
WonderCow pros and cons
Pros
- 40% IgG claim
- Whole unskimmed colostrum
- Grade A dairy sourcing
- Third-party tested
- 60 servings
- Strong customer reviews
Cons
- Slightly higher one-time price
- Lab accreditation less prominent
- Contains milk
- Powder requires mixing
If any of these cons is a deal-breaker, here's the option we rate higher.
WonderCow vs Earth Energy Colostrum
| Comparison | WonderCow | Earth Energy |
|---|---|---|
| Servings | 60 | 60 per buyer guide |
| IgG claim | 40% | 25% |
| Whole colostrum | Yes | Yes |
| Source | Licensed USDA Grade A farms | Pasture-raised Grade A U.S. |
| Processing | Not skimmed/homogenized | Whole colostrum |
| Testing | Third-party tested | ISO/IEC 17025 batch testing |
| One-time price | $64.99 | $59.95 |
| Guarantee | 30 days | 30 days |
WonderCow wins on published IgG percentage
WonderCow's 40% IgG claim is higher than Earth Energy's 25%.
That is a genuine advantage on paper.
Earth Energy's counterweight is testing specificity: it names the ISO/IEC 17025 standard and offers batch COAs, while also coming in slightly cheaper.
So this is not a fake landslide.
If the higher stated IgG percentage is your top criterion, WonderCow is extremely compelling.
If you prioritize a clearly named laboratory standard, Grade A pasture-raised U.S. sourcing and a slightly lower price, Earth Energy remains our balanced pick.
Earth Energy Colostrum
Recommended if you want clear dose, sourcing and testing
What's inside:2,000 mg pasture-raised Grade A U.S. bovine colostrum per scoop, standardized to 25% IgG.
Format:Powder; unflavored or chocolate; no added sugar
- Transparency
- 9.7/10
- Sourcing
- 9.4/10
- Value
- 9.2/10
Price:$59.95 for 1 jar (60 servings); $119.90 for 3 (buy 2, get 1 free); $179.85 for 5 (buy 3, get 2 free)
No code needed: savings show on the next page
4.74/5 from 107 reviews; 30-day guarantee
Pros
- 2 g clearly disclosed per scoop
- 25% IgG standard disclosed
- Pasture-raised Grade A U.S. sourcing
- ISO/IEC 17025 batch testing
Cons
- Contains milk
- Powder requires mixing
Final thoughts
WonderCow belongs near the top of any serious colostrum comparison. Its 40% IgG claim, whole unskimmed formula, family-farm sourcing story, strong reviews and 60-serving format are all real strengths. Earth Energy does not beat it on every number. We prefer Earth Energy by a narrower margin because its testing framework and sourcing details are especially easy to verify, but shoppers who place the most weight on IgG percentage may reasonably prefer WonderCow.
See Today's Reader Price →From $35.97/jar · 30-day guaranteeQuestions people ask
Is there an alternative to WonderCow?
Earth Energy Colostrum is our top-rated colostrum pick: 2 g of pasture-raised Grade A U.S. colostrum per scoop, standardized to 25% IgG and batch-tested by an ISO/IEC 17025-accredited lab.
Why do you recommend Earth Energy if you own it?
We disclose that ownership on every page. Products are compared on the same published criteria, and we show the label details and prices we compared so you can check our work.
How we reviewed it
We reviewed WonderCow's current product page, label details, serving directions, pricing, published testing information, customer rating and return policy, and compared it with Earth Energy Colostrum on the same criteria we use for every product. We did not laboratory-test the product.
Ownership disclosure
Healthy Expert Reviews is owned and operated by LJ Global Inc. LJ Global Inc. also owns Earth Energy Supplements, the alternative we recommend on this page. Healthy Expert Reviews is not affiliated with or endorsed by WonderCow. WonderCow is a trademark of its owner, used here only to identify the product reviewed. We may earn a commission when you buy through links on this page.
Sources
- WonderCow Colostrum Powder, accessed October 3, 2026. https://wondercow.com/
- WonderCow family/quality page, accessed October 3, 2026. https://wondercow.com/pages/wondercow-powder-colostrum
- WonderCow 30-day policy/product pages, accessed October 3, 2026. https://wondercow.com/pages/family-safe
- Earth Energy Colostrum Buyer's Guide, accessed October 3, 2026. https://www.earthenergysupplementstore.com/pages/colostrum-buyers-guide
- Earth Energy Colostrum product page, accessed October 3, 2026. https://www.earthenergysupplementstore.com/products/colostrum
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Talk to your doctor before starting a supplement, especially if you are pregnant, nursing, or take medication.