Pauling, vitamin C, lysine and proline: reading the cardiovascular hypothesis

The primary papers make their status clear: these were proposed explanations of cardiovascular disease, with different contributions from Pauling and Rath.

SOURCES CHECKED / 2026-11-04 · Educational reference

Begin with the explicitly named hypothesis

Pauling and Rath's 1990 PNAS paper is titled Hypothesis: lipoprotein(a) is a surrogate for ascorbate. It proposes a relationship between ascorbate biology and lipoprotein(a). The word hypothesis matters: the publication does not establish that a supplement combination prevents or reverses cardiovascular disease. [1]

Trace the unified-theory paper

Their 1992 Journal of Orthomolecular Medicine paper develops a broader unified theory. Read it as an original statement of that theory, including its proposed mechanisms and assumptions. Mechanistic plausibility and demonstrated patient benefit require different kinds of evidence, and the paper's ambitions should not be restated as proven clinical outcomes. [2]

Attribute the proline proposal accurately

The joint unified-theory paper does not mention proline. An explicit proline proposal appears in Matthias Rath's separate 1992 article on nutritional supplements and cardiovascular risk. That paper discusses proposed mechanisms and the need for clinical confirmation. Adding proline to a modern summary should preserve this attribution. [3]

Keep cardiovascular care anchored in evidence

Historical papers can illuminate how an idea developed without becoming a treatment plan. This guide supplies the originals so their claims can be evaluated directly. It does not recommend substituting supplements for prescribed cardiovascular treatment or use a mechanistic theory as proof of plaque reversal. [1] [2] [3]

These notes explain sources and testing context. They do not diagnose a condition, select a personal supplement dose or replace professional medical advice.

Sources worth opening.

  1. Pauling and Rath, lipoprotein(a) hypothesis, 1990 ↗
  2. Pauling and Rath, unified theory, 1992 original paper ↗
  3. Rath, nutritional supplements and cardiovascular risk, 1992 ↗

Your labs. Your stack.
The source beside the answer.

The following is an illustrative app preview. Proposed ranges shown in a product example are not universal diagnostic cutoffs.

LABS / OPTIMAL VS. NORMAL

Uploaded panel · Serum Ascorbate & Homocysteine

Serum Vitamin C

0.6 mg/dL

In Lab Normal, Below Optimal

Standard Lab Range
0.4 – 2.0 mg/dL
Orthomolecular Optimal
1.5 – 2.5+ mg/dL (tissue saturation)

Homocysteine

11.4 µmol/L

In Lab Normal, Elevated Methylation Load

Standard Lab Range
5.0 – 15.0 µmol/L
Orthomolecular Optimal
< 7.0 µmol/L [Pfeiffer / Walsh]
Reference ranges sourced from orthomolecular literature for educational comparison.
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