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Swanson Vitamins/Brand Birthday Sale/email teardown

It's a party! 40% off Swanson brand + 2X Rewards on EVERYTHING for our birthday

How Swanson Vitamins built this send — a brand birthday sale email shipped as mixed / modular on Wednesday at 11am, carrying a 40% % off offer. Below is HappyCohort's field-by-field extraction; the original creative is rendered at the end.

From: Swanson VitaminscampaignPreheader: “͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ”
Offer
40% off
Voice warmth
0.65
Sent
Wed · 11am
Format
Mixed / modular
How this send compares
  • 40% off — 19.3 points deeper than the tracked set average of 20.7% (this brand averages 31.3% when it discounts).
  • Voice warmth 0.65 for Swanson Vitamins vs 0.69 across the set — a cooler, more clinical register than the average competitor.
01

Message & creative

Message theme
Brand Birthday Sale
Creative format
Mixed / modular
Secondary: Product hero
Secondary theme
Loyalty Rewards
Hero headline
BIG BIRTHDAY BASH — 40% OFF Swanson Brand + 2X Rewards on Everything
Emotional appeal
fear of missing out
Calendar moment
Evergreen
Not tied to a seasonal window.
02

Offer

Mechanic
% off
A percentage off the price — the most common kind.
Depth
40% off
Promo phase
Launch
The sale opens and the main offer is shown.
Promo code
[redacted]
Minimum spend
None
Urgency
Deadline-led
Expires Mon, Jul 13, 2026
03

Voice & tone

Warmth0.65
ClinicalWarm
Formality0.35
CasualFormal
Reader focus0.60
“We”“You”
Expressiveness0.70
RestrainedExuberant

Reading grade 7.0 — the approximate US reading level of the body copy.

04

Call to action

Primary CTA
“Shop Birthday Deals”
Destination
Collection
Links to a category or a grid of products.
Verb framing
Shop / Buy
Direct buying words — 'Shop now', 'Add to bag'.
CTA count
21
Multi-CTA layout
Primary destination URL
e.e.swansonvitamins.com
No UTM tagging detected
Tracking domain
—
ESP fingerprint · Cordial
05

Deliverability posture

SPF
None
DKIM
Pass
DMARC
Pass
Policy: reject
One-click unsubscribe
Supported (RFC 8058)
Unsub scheme: https
From alignment
Misaligned
Domain: subdomain
Footer hygiene
postal address
06

Send timing

Day
Wednesday
Local hour
11am
Send type
campaign
One-off campaign
07

Claims & products

Claims extracted
  • “Clinically Studied Blood Sugar Support”efficacy · unsubstantiated
  • “Berberine Advanced Enhanced Absorption — Featuring Berbevis”ingredient · substantiated
  • “Triple Magnesium Complex — Muscle and Bone Health”efficacy · unsubstantiated
  • “Mellow Mag — Nature's Calming Magnesium Supplement, Supports Healthy Magnesium Levels”efficacy · unsubstantiated
  • “Simply Hydrate — 3X the Electrolytes, Zero Sugar”efficacy · unsubstantiated
  • “Swanson offers a full refund for products 100 days from date of purchase”guarantee · substantiated
Products featured
  • Triple Magnesium Complex
  • Mellow Mag
  • Berberine Advanced Enhanced Absorption
  • Full Spectrum Milk Thistle
  • Full Spectrum Ginger Root
  • Simply Hydrate Electrolyte Hydration Mix
  • Quercetin
  • NAC N-Acetyl Cysteine
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08

The creative

The original email as it rendered in the inbox. Shown for reference and sandboxed — it is not part of the indexed analysis above.